20912198580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{98207}}^1$

素因数の和:98255

約数の個数: 216

約数和(自身を含む): 78501975552

約数和(自身を除く): 57589776972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 169, 180, 182, 195, 210, 234, 252, 260, 273, 315, 338, 364, 390, 420, 455, 468, 507, 546, 585, 630, 676, 780, 819, 845, 910, 1014, 1092, 1170, 1183, 1260, 1365, 1521, 1638, 1690, 1820, 2028, 2340, 2366, 2535, 2730, 3042, 3276, 3380, 3549, 4095, 4732, 5070, 5460, 5915, 6084, 7098, 7605, 8190, 10140, 10647, 11830, 14196, 15210, 16380, 17745, 21294, 23660, 30420, 35490, 42588, 53235, 70980, 98207, 106470, 196414, 212940, 294621, 392828, 491035, 589242, 687449, 883863, 982070, 1178484, 1276691, 1374898, 1473105, 1767726, 1964140, 2062347, 2553382, 2749796, 2946210, 3437245, 3535452, 3830073, 4124694, 4419315, 5106764, 5892420, 6187041, 6383455, 6874490, 7660146, 8249388, 8838630, 8936837, 10311735, 11490219, 12374082, 12766910, 13748980, 15320292, 16596983, 17677260, 17873674, 19150365, 20623470, 22980438, 24748164, 25533820, 26810511, 30935205, 33193966, 35747348, 38300730, 41246940, 44684185, 45960876, 49790949, 53621022, 57451095, 61870410, 66387932, 76601460, 80431533, 82984915, 89368370, 99581898, 107242044, 114902190, 116178881, 123740820, 134052555, 149372847, 160863066, 165969830, 178736740, 199163796, 229804380, 232357762, 248954745, 268105110, 298745694, 321726132, 331939660, 348536643, 402157665, 464715524, 497909490, 536210220, 580894405, 597491388, 697073286, 746864235, 804315330, 995818980, 1045609929, 1161788810, 1394146572, 1493728470, 1608630660, 1742683215, 2091219858, 2323577620, 2987456940, 3485366430, 4182439716, 5228049645, 6970732860, 10456099290, 20912198580]

約数ペア:

[(1, 20912198580), (2, 10456099290), (3, 6970732860), (4, 5228049645), (5, 4182439716), (6, 3485366430), (7, 2987456940), (9, 2323577620), (10, 2091219858), (12, 1742683215), (13, 1608630660), (14, 1493728470), (15, 1394146572), (18, 1161788810), (20, 1045609929), (21, 995818980), (26, 804315330), (28, 746864235), (30, 697073286), (35, 597491388), (36, 580894405), (39, 536210220), (42, 497909490), (45, 464715524), (52, 402157665), (60, 348536643), (63, 331939660), (65, 321726132), (70, 298745694), (78, 268105110), (84, 248954745), (90, 232357762), (91, 229804380), (105, 199163796), (117, 178736740), (126, 165969830), (130, 160863066), (140, 149372847), (156, 134052555), (169, 123740820), (180, 116178881), (182, 114902190), (195, 107242044), (210, 99581898), (234, 89368370), (252, 82984915), (260, 80431533), (273, 76601460), (315, 66387932), (338, 61870410), (364, 57451095), (390, 53621022), (420, 49790949), (455, 45960876), (468, 44684185), (507, 41246940), (546, 38300730), (585, 35747348), (630, 33193966), (676, 30935205), (780, 26810511), (819, 25533820), (845, 24748164), (910, 22980438), (1014, 20623470), (1092, 19150365), (1170, 17873674), (1183, 17677260), (1260, 16596983), (1365, 15320292), (1521, 13748980), (1638, 12766910), (1690, 12374082), (1820, 11490219), (2028, 10311735), (2340, 8936837), (2366, 8838630), (2535, 8249388), (2730, 7660146), (3042, 6874490), (3276, 6383455), (3380, 6187041), (3549, 5892420), (4095, 5106764), (4732, 4419315), (5070, 4124694), (5460, 3830073), (5915, 3535452), (6084, 3437245), (7098, 2946210), (7605, 2749796), (8190, 2553382), (10140, 2062347), (10647, 1964140), (11830, 1767726), (14196, 1473105), (15210, 1374898), (16380, 1276691), (17745, 1178484), (21294, 982070), (23660, 883863), (30420, 687449), (35490, 589242), (42588, 491035), (53235, 392828), (70980, 294621), (98207, 212940), (106470, 196414)]