20147632220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{56911}}^1$

素因数の和:57522

約数の個数: 48

約数和(自身を含む): 43752124416

約数和(自身を除く): 23604492196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 571, 620, 1142, 2284, 2855, 5710, 11420, 17701, 35402, 56911, 70804, 88505, 113822, 177010, 227644, 284555, 354020, 569110, 1138220, 1764241, 3528482, 7056964, 8821205, 17642410, 32496181, 35284820, 64992362, 129984724, 162480905, 324961810, 649923620, 1007381611, 2014763222, 4029526444, 5036908055, 10073816110, 20147632220]

約数ペア:

[(1, 20147632220), (2, 10073816110), (4, 5036908055), (5, 4029526444), (10, 2014763222), (20, 1007381611), (31, 649923620), (62, 324961810), (124, 162480905), (155, 129984724), (310, 64992362), (571, 35284820), (620, 32496181), (1142, 17642410), (2284, 8821205), (2855, 7056964), (5710, 3528482), (11420, 1764241), (17701, 1138220), (35402, 569110), (56911, 354020), (70804, 284555), (88505, 227644), (113822, 177010)]