20197004880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6473399}}^1$

素因数の和:6473428

約数の個数: 80

約数和(自身を含む): 67426934400

約数和(自身を除く): 47229929520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6473399, 12946798, 19420197, 25893596, 32366995, 38840394, 51787192, 64733990, 77680788, 84154187, 97100985, 103574384, 129467980, 155361576, 168308374, 194201970, 252462561, 258935960, 310723152, 336616748, 388403940, 420770935, 504925122, 517871920, 673233496, 776807880, 841541870, 1009850244, 1262312805, 1346466992, 1553615760, 1683083740, 2019700488, 2524625610, 3366167480, 4039400976, 5049251220, 6732334960, 10098502440, 20197004880]

約数ペア:

[(1, 20197004880), (2, 10098502440), (3, 6732334960), (4, 5049251220), (5, 4039400976), (6, 3366167480), (8, 2524625610), (10, 2019700488), (12, 1683083740), (13, 1553615760), (15, 1346466992), (16, 1262312805), (20, 1009850244), (24, 841541870), (26, 776807880), (30, 673233496), (39, 517871920), (40, 504925122), (48, 420770935), (52, 388403940), (60, 336616748), (65, 310723152), (78, 258935960), (80, 252462561), (104, 194201970), (120, 168308374), (130, 155361576), (156, 129467980), (195, 103574384), (208, 97100985), (240, 84154187), (260, 77680788), (312, 64733990), (390, 51787192), (520, 38840394), (624, 32366995), (780, 25893596), (1040, 19420197), (1560, 12946798), (3120, 6473399)]