20512159660

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1\times {\mathrm{22807}}^1$

素因数の和:23242

約数の個数: 48

約数和(自身を含む): 43486462656

約数和(自身を除く): 22974302996

約数列:

[1, 2, 4, 5, 10, 20, 193, 233, 386, 466, 772, 932, 965, 1165, 1930, 2330, 3860, 4660, 22807, 44969, 45614, 89938, 91228, 114035, 179876, 224845, 228070, 449690, 456140, 899380, 4401751, 5314031, 8803502, 10628062, 17607004, 21256124, 22008755, 26570155, 44017510, 53140310, 88035020, 106280620, 1025607983, 2051215966, 4102431932, 5128039915, 10256079830, 20512159660]

約数ペア:

[(1, 20512159660), (2, 10256079830), (4, 5128039915), (5, 4102431932), (10, 2051215966), (20, 1025607983), (193, 106280620), (233, 88035020), (386, 53140310), (466, 44017510), (772, 26570155), (932, 22008755), (965, 21256124), (1165, 17607004), (1930, 10628062), (2330, 8803502), (3860, 5314031), (4660, 4401751), (22807, 899380), (44969, 456140), (45614, 449690), (89938, 228070), (91228, 224845), (114035, 179876)]