20155406050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31008317}}^1$

素因数の和:31008342

約数の個数: 24

約数和(自身を含む): 40372830036

約数和(自身を除く): 20217423986

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31008317, 62016634, 155041585, 310083170, 403108121, 775207925, 806216242, 1550415850, 2015540605, 4031081210, 10077703025, 20155406050]

約数ペア:

[(1, 20155406050), (2, 10077703025), (5, 4031081210), (10, 2015540605), (13, 1550415850), (25, 806216242), (26, 775207925), (50, 403108121), (65, 310083170), (130, 155041585), (325, 62016634), (650, 31008317)]