20129121835

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{17807}}^1$

素因数の和:18067

約数の個数: 32

約数和(自身を含む): 25934146560

約数和(自身を除く): 5805024725

約数列:

[1, 5, 19, 73, 95, 163, 365, 815, 1387, 3097, 6935, 11899, 15485, 17807, 59495, 89035, 226081, 338333, 1130405, 1299911, 1691665, 2902541, 6499555, 14512705, 24698309, 55148279, 123491545, 211885493, 275741395, 1059427465, 4025824367, 20129121835]

約数ペア:

[(1, 20129121835), (5, 4025824367), (19, 1059427465), (73, 275741395), (95, 211885493), (163, 123491545), (365, 55148279), (815, 24698309), (1387, 14512705), (3097, 6499555), (6935, 2902541), (11899, 1691665), (15485, 1299911), (17807, 1130405), (59495, 338333), (89035, 226081)]