20195672065

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{491}}^1\times {\mathrm{857}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 25226847360

約数和(自身を除く): 5031175295

約数列:

[1, 5, 29, 145, 331, 491, 857, 1655, 2455, 4285, 9599, 14239, 24853, 47995, 71195, 124265, 162521, 283667, 420787, 812605, 1418335, 2103935, 4713109, 8226343, 12202823, 23565545, 41131715, 61014115, 139280497, 696402485, 4039134413, 20195672065]

約数ペア:

[(1, 20195672065), (5, 4039134413), (29, 696402485), (145, 139280497), (331, 61014115), (491, 41131715), (857, 23565545), (1655, 12202823), (2455, 8226343), (4285, 4713109), (9599, 2103935), (14239, 1418335), (24853, 812605), (47995, 420787), (71195, 283667), (124265, 162521)]