20172550775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{72937}}^1$

素因数の和:73020

約数の個数: 48

約数和(自身を含む): 28869443904

約数和(自身を除く): 8696893129

約数列:

[1, 5, 13, 23, 25, 37, 65, 115, 185, 299, 325, 481, 575, 851, 925, 1495, 2405, 4255, 7475, 11063, 12025, 21275, 55315, 72937, 276575, 364685, 948181, 1677551, 1823425, 2698669, 4740905, 8387755, 13493345, 21808163, 23704525, 35082697, 41938775, 62069387, 67466725, 109040815, 175413485, 310346935, 545204075, 806902031, 877067425, 1551734675, 4034510155, 20172550775]

約数ペア:

[(1, 20172550775), (5, 4034510155), (13, 1551734675), (23, 877067425), (25, 806902031), (37, 545204075), (65, 310346935), (115, 175413485), (185, 109040815), (299, 67466725), (325, 62069387), (481, 41938775), (575, 35082697), (851, 23704525), (925, 21808163), (1495, 13493345), (2405, 8387755), (4255, 4740905), (7475, 2698669), (11063, 1823425), (12025, 1677551), (21275, 948181), (55315, 364685), (72937, 276575)]