20243620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 44448768

約数和(自身を除く): 24205148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 317, 412, 515, 620, 634, 1030, 1268, 1585, 2060, 3170, 3193, 6340, 6386, 9827, 12772, 15965, 19654, 31930, 32651, 39308, 49135, 63860, 65302, 98270, 130604, 163255, 196540, 326510, 653020, 1012181, 2024362, 4048724, 5060905, 10121810, 20243620]

約数ペア:

[(1, 20243620), (2, 10121810), (4, 5060905), (5, 4048724), (10, 2024362), (20, 1012181), (31, 653020), (62, 326510), (103, 196540), (124, 163255), (155, 130604), (206, 98270), (310, 65302), (317, 63860), (412, 49135), (515, 39308), (620, 32651), (634, 31930), (1030, 19654), (1268, 15965), (1585, 12772), (2060, 9827), (3170, 6386), (3193, 6340)]