20525035

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 7468565

約数列:

[1, 5, 17, 19, 71, 85, 95, 179, 323, 355, 895, 1207, 1349, 1615, 3043, 3401, 6035, 6745, 12709, 15215, 17005, 22933, 57817, 63545, 114665, 216053, 241471, 289085, 1080265, 1207355, 4105007, 20525035]

約数ペア:

[(1, 20525035), (5, 4105007), (17, 1207355), (19, 1080265), (71, 289085), (85, 241471), (95, 216053), (179, 114665), (323, 63545), (355, 57817), (895, 22933), (1207, 17005), (1349, 15215), (1615, 12709), (3043, 6745), (3401, 6035)]