20174879960

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{593}}^1\times {\mathrm{7949}}^1$

素因数の和:8660

約数の個数: 64

約数和(自身を含む): 45900756000

約数和(自身を除く): 25725876040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 593, 856, 1070, 1186, 2140, 2372, 2965, 4280, 4744, 5930, 7949, 11860, 15898, 23720, 31796, 39745, 63451, 63592, 79490, 126902, 158980, 253804, 317255, 317960, 507608, 634510, 850543, 1269020, 1701086, 2538040, 3402172, 4252715, 4713757, 6804344, 8505430, 9427514, 17010860, 18855028, 23568785, 34021720, 37710056, 47137570, 94275140, 188550280, 504371999, 1008743998, 2017487996, 2521859995, 4034975992, 5043719990, 10087439980, 20174879960]

約数ペア:

[(1, 20174879960), (2, 10087439980), (4, 5043719990), (5, 4034975992), (8, 2521859995), (10, 2017487996), (20, 1008743998), (40, 504371999), (107, 188550280), (214, 94275140), (428, 47137570), (535, 37710056), (593, 34021720), (856, 23568785), (1070, 18855028), (1186, 17010860), (2140, 9427514), (2372, 8505430), (2965, 6804344), (4280, 4713757), (4744, 4252715), (5930, 3402172), (7949, 2538040), (11860, 1701086), (15898, 1269020), (23720, 850543), (31796, 634510), (39745, 507608), (63451, 317960), (63592, 317255), (79490, 253804), (126902, 158980)]