20672490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{983}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 49735296

約数和(自身を除く): 29062806

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 701, 983, 1402, 1966, 2103, 2949, 3505, 4206, 4915, 5898, 7010, 9830, 10515, 14745, 21030, 29490, 689083, 1378166, 2067249, 3445415, 4134498, 6890830, 10336245, 20672490]

約数ペア:

[(1, 20672490), (2, 10336245), (3, 6890830), (5, 4134498), (6, 3445415), (10, 2067249), (15, 1378166), (30, 689083), (701, 29490), (983, 21030), (1402, 14745), (1966, 10515), (2103, 9830), (2949, 7010), (3505, 5898), (4206, 4915)]