20655894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3257}}^1$

素因数の和:3420

約数の個数: 32

約数和(自身を含む): 47540736

約数和(自身を除く): 26884842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 151, 302, 453, 906, 1057, 2114, 3171, 3257, 6342, 6514, 9771, 19542, 22799, 45598, 68397, 136794, 491807, 983614, 1475421, 2950842, 3442649, 6885298, 10327947, 20655894]

約数ペア:

[(1, 20655894), (2, 10327947), (3, 6885298), (6, 3442649), (7, 2950842), (14, 1475421), (21, 983614), (42, 491807), (151, 136794), (302, 68397), (453, 45598), (906, 22799), (1057, 19542), (2114, 9771), (3171, 6514), (3257, 6342)]