20693734880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{203039}}^1$

素因数の和:203081

約数の個数: 144

約数和(自身を含む): 61245797760

約数和(自身を除く): 40552062880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2548, 2912, 3185, 3640, 3920, 5096, 6370, 7280, 7840, 10192, 12740, 14560, 20384, 25480, 50960, 101920, 203039, 406078, 812156, 1015195, 1421273, 1624312, 2030390, 2639507, 2842546, 3248624, 4060780, 5279014, 5685092, 6497248, 7106365, 8121560, 9948911, 10558028, 11370184, 13197535, 14212730, 16243120, 18476549, 19897822, 21116056, 22740368, 26395070, 28425460, 32486240, 36953098, 39795644, 42232112, 45480736, 49744555, 52790140, 56850920, 73906196, 79591288, 84464224, 92382745, 99489110, 105580280, 113701840, 129335843, 147812392, 159182576, 184765490, 198978220, 211160560, 227403680, 258671686, 295624784, 318365152, 369530980, 397956440, 422321120, 517343372, 591249568, 646679215, 739061960, 795912880, 1034686744, 1293358430, 1478123920, 1591825760, 2069373488, 2586716860, 2956247840, 4138746976, 5173433720, 10346867440, 20693734880]

約数ペア:

[(1, 20693734880), (2, 10346867440), (4, 5173433720), (5, 4138746976), (7, 2956247840), (8, 2586716860), (10, 2069373488), (13, 1591825760), (14, 1478123920), (16, 1293358430), (20, 1034686744), (26, 795912880), (28, 739061960), (32, 646679215), (35, 591249568), (40, 517343372), (49, 422321120), (52, 397956440), (56, 369530980), (65, 318365152), (70, 295624784), (80, 258671686), (91, 227403680), (98, 211160560), (104, 198978220), (112, 184765490), (130, 159182576), (140, 147812392), (160, 129335843), (182, 113701840), (196, 105580280), (208, 99489110), (224, 92382745), (245, 84464224), (260, 79591288), (280, 73906196), (364, 56850920), (392, 52790140), (416, 49744555), (455, 45480736), (490, 42232112), (520, 39795644), (560, 36953098), (637, 32486240), (728, 28425460), (784, 26395070), (910, 22740368), (980, 21116056), (1040, 19897822), (1120, 18476549), (1274, 16243120), (1456, 14212730), (1568, 13197535), (1820, 11370184), (1960, 10558028), (2080, 9948911), (2548, 8121560), (2912, 7106365), (3185, 6497248), (3640, 5685092), (3920, 5279014), (5096, 4060780), (6370, 3248624), (7280, 2842546), (7840, 2639507), (10192, 2030390), (12740, 1624312), (14560, 1421273), (20384, 1015195), (25480, 812156), (50960, 406078), (101920, 203039)]