20934051520

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1\times {\mathrm{887}}^1$

素因数の和:1598

約数の個数: 112

約数和(自身を含む): 50375685888

約数和(自身を除く): 29441634368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 563, 655, 887, 1048, 1126, 1310, 1774, 2096, 2252, 2620, 2815, 3548, 4192, 4435, 4504, 5240, 5630, 7096, 8384, 8870, 9008, 10480, 11260, 14192, 17740, 18016, 20960, 22520, 28384, 35480, 36032, 41920, 45040, 56768, 70960, 73753, 90080, 116197, 141920, 147506, 180160, 232394, 283840, 295012, 368765, 464788, 499381, 580985, 590024, 737530, 929576, 998762, 1161970, 1180048, 1475060, 1859152, 1997524, 2323940, 2360096, 2496905, 2950120, 3718304, 3995048, 4647880, 4720192, 4993810, 5900240, 7436608, 7990096, 9295760, 9987620, 11800480, 15980192, 18591520, 19975240, 23600960, 31960384, 37183040, 39950480, 65418911, 79900960, 130837822, 159801920, 261675644, 327094555, 523351288, 654189110, 1046702576, 1308378220, 2093405152, 2616756440, 4186810304, 5233512880, 10467025760, 20934051520]

約数ペア:

[(1, 20934051520), (2, 10467025760), (4, 5233512880), (5, 4186810304), (8, 2616756440), (10, 2093405152), (16, 1308378220), (20, 1046702576), (32, 654189110), (40, 523351288), (64, 327094555), (80, 261675644), (131, 159801920), (160, 130837822), (262, 79900960), (320, 65418911), (524, 39950480), (563, 37183040), (655, 31960384), (887, 23600960), (1048, 19975240), (1126, 18591520), (1310, 15980192), (1774, 11800480), (2096, 9987620), (2252, 9295760), (2620, 7990096), (2815, 7436608), (3548, 5900240), (4192, 4993810), (4435, 4720192), (4504, 4647880), (5240, 3995048), (5630, 3718304), (7096, 2950120), (8384, 2496905), (8870, 2360096), (9008, 2323940), (10480, 1997524), (11260, 1859152), (14192, 1475060), (17740, 1180048), (18016, 1161970), (20960, 998762), (22520, 929576), (28384, 737530), (35480, 590024), (36032, 580985), (41920, 499381), (45040, 464788), (56768, 368765), (70960, 295012), (73753, 283840), (90080, 232394), (116197, 180160), (141920, 147506)]