20659930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2293}}^1$

素因数の和:2370

約数の個数: 32

約数和(自身を含む): 40135824

約数和(自身を除く): 19475894

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 2293, 4505, 4586, 9010, 11465, 22930, 38981, 77962, 121529, 194905, 243058, 389810, 607645, 1215290, 2065993, 4131986, 10329965, 20659930]

約数ペア:

[(1, 20659930), (2, 10329965), (5, 4131986), (10, 2065993), (17, 1215290), (34, 607645), (53, 389810), (85, 243058), (106, 194905), (170, 121529), (265, 77962), (530, 38981), (901, 22930), (1802, 11465), (2293, 9010), (4505, 4586)]