20165566460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77559871}}^1$

素因数の和:77559893

約数の個数: 24

約数和(自身を含む): 45605204736

約数和(自身を除く): 25439638276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77559871, 155119742, 310239484, 387799355, 775598710, 1008278323, 1551197420, 2016556646, 4033113292, 5041391615, 10082783230, 20165566460]

約数ペア:

[(1, 20165566460), (2, 10082783230), (4, 5041391615), (5, 4033113292), (10, 2016556646), (13, 1551197420), (20, 1008278323), (26, 775598710), (52, 387799355), (65, 310239484), (130, 155119742), (260, 77559871)]