20155156

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7127}}^1$

素因数の和:7239

約数の個数: 24

約数和(自身を含む): 40715136

約数和(自身を除く): 20559980

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7127, 14254, 28508, 49889, 99778, 199556, 719827, 1439654, 2879308, 5038789, 10077578, 20155156]

約数ペア:

[(1, 20155156), (2, 10077578), (4, 5038789), (7, 2879308), (14, 1439654), (28, 719827), (101, 199556), (202, 99778), (404, 49889), (707, 28508), (1414, 14254), (2828, 7127)]