20198984962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{252481}}^1$

素因数の和:252694

約数の個数: 32

約数和(自身を含む): 34739503344

約数和(自身を除く): 14540518382

約数列:

[1, 2, 13, 17, 26, 34, 181, 221, 362, 442, 2353, 3077, 4706, 6154, 40001, 80002, 252481, 504962, 3282253, 4292177, 6564506, 8584354, 45699061, 55798301, 91398122, 111596602, 594087793, 776884037, 1188175586, 1553768074, 10099492481, 20198984962]

約数ペア:

[(1, 20198984962), (2, 10099492481), (13, 1553768074), (17, 1188175586), (26, 776884037), (34, 594087793), (181, 111596602), (221, 91398122), (362, 55798301), (442, 45699061), (2353, 8584354), (3077, 6564506), (4706, 4292177), (6154, 3282253), (40001, 504962), (80002, 252481)]