20524920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 67737600

約数和(自身を除く): 47212680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 65, 78, 104, 118, 120, 130, 156, 177, 195, 223, 236, 260, 295, 312, 354, 390, 446, 472, 520, 590, 669, 708, 767, 780, 885, 892, 1115, 1180, 1338, 1416, 1534, 1560, 1770, 1784, 2230, 2301, 2360, 2676, 2899, 3068, 3345, 3540, 3835, 4460, 4602, 5352, 5798, 6136, 6690, 7080, 7670, 8697, 8920, 9204, 11505, 11596, 13157, 13380, 14495, 15340, 17394, 18408, 23010, 23192, 26314, 26760, 28990, 30680, 34788, 39471, 43485, 46020, 52628, 57980, 65785, 69576, 78942, 86970, 92040, 105256, 115960, 131570, 157884, 171041, 173940, 197355, 263140, 315768, 342082, 347880, 394710, 513123, 526280, 684164, 789420, 855205, 1026246, 1368328, 1578840, 1710410, 2052492, 2565615, 3420820, 4104984, 5131230, 6841640, 10262460, 20524920]

約数ペア:

[(1, 20524920), (2, 10262460), (3, 6841640), (4, 5131230), (5, 4104984), (6, 3420820), (8, 2565615), (10, 2052492), (12, 1710410), (13, 1578840), (15, 1368328), (20, 1026246), (24, 855205), (26, 789420), (30, 684164), (39, 526280), (40, 513123), (52, 394710), (59, 347880), (60, 342082), (65, 315768), (78, 263140), (104, 197355), (118, 173940), (120, 171041), (130, 157884), (156, 131570), (177, 115960), (195, 105256), (223, 92040), (236, 86970), (260, 78942), (295, 69576), (312, 65785), (354, 57980), (390, 52628), (446, 46020), (472, 43485), (520, 39471), (590, 34788), (669, 30680), (708, 28990), (767, 26760), (780, 26314), (885, 23192), (892, 23010), (1115, 18408), (1180, 17394), (1338, 15340), (1416, 14495), (1534, 13380), (1560, 13157), (1770, 11596), (1784, 11505), (2230, 9204), (2301, 8920), (2360, 8697), (2676, 7670), (2899, 7080), (3068, 6690), (3345, 6136), (3540, 5798), (3835, 5352), (4460, 4602)]