20341748

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4457}}^1$

素因数の和:4631

約数の個数: 24

約数和(自身を含む): 40942272

約数和(自身を除く): 20600524

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4457, 4564, 8914, 17828, 31199, 62398, 124796, 726491, 1452982, 2905964, 5085437, 10170874, 20341748]

約数ペア:

[(1, 20341748), (2, 10170874), (4, 5085437), (7, 2905964), (14, 1452982), (28, 726491), (163, 124796), (326, 62398), (652, 31199), (1141, 17828), (2282, 8914), (4457, 4564)]