20145748

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42323}}^1$

素因数の和:42351

約数の個数: 24

約数和(自身を含む): 42662592

約数和(自身を除く): 22516844

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42323, 84646, 169292, 296261, 592522, 719491, 1185044, 1438982, 2877964, 5036437, 10072874, 20145748]

約数ペア:

[(1, 20145748), (2, 10072874), (4, 5036437), (7, 2877964), (14, 1438982), (17, 1185044), (28, 719491), (34, 592522), (68, 296261), (119, 169292), (238, 84646), (476, 42323)]