31107620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91493}}^1$

素因数の和:91519

約数の個数: 24

約数和(自身を含む): 69169464

約数和(自身を除く): 38061844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91493, 182986, 365972, 457465, 914930, 1555381, 1829860, 3110762, 6221524, 7776905, 15553810, 31107620]

約数ペア:

[(1, 31107620), (2, 15553810), (4, 7776905), (5, 6221524), (10, 3110762), (17, 1829860), (20, 1555381), (34, 914930), (68, 457465), (85, 365972), (170, 182986), (340, 91493)]