About the Number

20129553640

20129553639 ← → 20129553641

2進数表記:10010101111110100001001110011101000

漢数字表記:二百一億二千九百五十五万三千六百四十

素因数分解:

2 3 × 5 1 × 7 1 × 31 1 × 71 1 × 89 1 × 367 1

素因数の和:576
約数の個数: 256
約数和(自身を含む): 54942105600
約数和(自身を除く): 34812551960

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 71, 89, 124, 140, 142, 155, 178, 217, 248, 280, 284, 310, 355, 356, 367, 434, 445, 497, 568, 620, 623, 710, 712, 734, 868, 890, 994, 1085, 1240, 1246, 1420, 1468, 1736, 1780, 1835, 1988, 2170, 2201, 2485, 2492, 2569, 2759, 2840, 2936, 3115, 3560, 3670, 3976, 4340, 4402, 4970, 4984, 5138, 5518, 6230, 6319, 7340, 8680, 8804, 9940, 10276, 11005, 11036, 11377, 12460, 12638, 12845, 13795, 14680, 15407, 17608, 19313, 19880, 20552, 22010, 22072, 22754, 24920, 25276, 25690, 26057, 27590, 30814, 31595, 32663, 38626, 44020, 44233, 45508, 50552, 51380, 52114, 55180, 56885, 61628, 63190, 65326, 77035, 77252, 79639, 88040, 88466, 91016, 96565, 102760, 104228, 110360, 113770, 123256, 126380, 130285, 130652, 154070, 154504, 159278, 163315, 176932, 182399, 193130, 195889, 208456, 221165, 227540, 228641, 252760, 260570, 261304, 308140, 318556, 326630, 353864, 364798, 386260, 391778, 398195, 442330, 455080, 457282, 521140, 616280, 637112, 653260, 729596, 772520, 783556, 796390, 807767, 884660, 911995, 914564, 979445, 1012553, 1042280, 1143205, 1306520, 1371223, 1459192, 1567112, 1592780, 1615534, 1769320, 1823990, 1829128, 1958890, 2025106, 2286410, 2319073, 2742446, 3185560, 3231068, 3647980, 3917780, 4038835, 4050212, 4572820, 4638146, 5062765, 5484892, 5654369, 6462136, 6856115, 7087871, 7295960, 7835560, 8077670, 8100424, 9145640, 9276292, 10125530, 10969784, 11308738, 11595365, 13712230, 14175742, 16155340, 16233511, 18552584, 20251060, 22617476, 23190730, 27424460, 28271845, 28351484, 32310680, 32467022, 35439355, 40502120, 45234952, 46381460, 54848920, 56543690, 56702968, 64934044, 70878710, 71891263, 81167555, 92762920, 113087380, 129868088, 141757420, 143782526, 162335110, 226174760, 283514840, 287565052, 324670220, 359456315, 503238841, 575130104, 649340440, 718912630, 1006477682, 1437825260, 2012955364, 2516194205, 2875650520, 4025910728, 5032388410, 10064776820, 20129553640]

約数ペア:
[(1, 20129553640), (2, 10064776820), (4, 5032388410), (5, 4025910728), (7, 2875650520), (8, 2516194205), (10, 2012955364), (14, 1437825260), (20, 1006477682), (28, 718912630), (31, 649340440), (35, 575130104), (40, 503238841), (56, 359456315), (62, 324670220), (70, 287565052), (71, 283514840), (89, 226174760), (124, 162335110), (140, 143782526), (142, 141757420), (155, 129868088), (178, 113087380), (217, 92762920), (248, 81167555), (280, 71891263), (284, 70878710), (310, 64934044), (355, 56702968), (356, 56543690), (367, 54848920), (434, 46381460), (445, 45234952), (497, 40502120), (568, 35439355), (620, 32467022), (623, 32310680), (710, 28351484), (712, 28271845), (734, 27424460), (868, 23190730), (890, 22617476), (994, 20251060), (1085, 18552584), (1240, 16233511), (1246, 16155340), (1420, 14175742), (1468, 13712230), (1736, 11595365), (1780, 11308738), (1835, 10969784), (1988, 10125530), (2170, 9276292), (2201, 9145640), (2485, 8100424), (2492, 8077670), (2569, 7835560), (2759, 7295960), (2840, 7087871), (2936, 6856115), (3115, 6462136), (3560, 5654369), (3670, 5484892), (3976, 5062765), (4340, 4638146), (4402, 4572820), (4970, 4050212), (4984, 4038835), (5138, 3917780), (5518, 3647980), (6230, 3231068), (6319, 3185560), (7340, 2742446), (8680, 2319073), (8804, 2286410), (9940, 2025106), (10276, 1958890), (11005, 1829128), (11036, 1823990), (11377, 1769320), (12460, 1615534), (12638, 1592780), (12845, 1567112), (13795, 1459192), (14680, 1371223), (15407, 1306520), (17608, 1143205), (19313, 1042280), (19880, 1012553), (20552, 979445), (22010, 914564), (22072, 911995), (22754, 884660), (24920, 807767), (25276, 796390), (25690, 783556), (26057, 772520), (27590, 729596), (30814, 653260), (31595, 637112), (32663, 616280), (38626, 521140), (44020, 457282), (44233, 455080), (45508, 442330), (50552, 398195), (51380, 391778), (52114, 386260), (55180, 364798), (56885, 353864), (61628, 326630), (63190, 318556), (65326, 308140), (77035, 261304), (77252, 260570), (79639, 252760), (88040, 228641), (88466, 227540), (91016, 221165), (96565, 208456), (102760, 195889), (104228, 193130), (110360, 182399), (113770, 176932), (123256, 163315), (126380, 159278), (130285, 154504), (130652, 154070)]

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