20475854

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 37428480

約数和(自身を除く): 16952626

約数列:

[1, 2, 7, 14, 17, 34, 119, 227, 238, 379, 454, 758, 1589, 2653, 3178, 3859, 5306, 6443, 7718, 12886, 27013, 45101, 54026, 86033, 90202, 172066, 602231, 1204462, 1462561, 2925122, 10237927, 20475854]

約数ペア:

[(1, 20475854), (2, 10237927), (7, 2925122), (14, 1462561), (17, 1204462), (34, 602231), (119, 172066), (227, 90202), (238, 86033), (379, 54026), (454, 45101), (758, 27013), (1589, 12886), (2653, 7718), (3178, 6443), (3859, 5306)]