20688054

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 42357600

約数和(自身を除く): 21669546

約数列:

[1, 2, 3, 6, 73, 146, 149, 219, 298, 317, 438, 447, 634, 894, 951, 1902, 10877, 21754, 23141, 32631, 46282, 47233, 65262, 69423, 94466, 138846, 141699, 283398, 3448009, 6896018, 10344027, 20688054]

約数ペア:

[(1, 20688054), (2, 10344027), (3, 6896018), (6, 3448009), (73, 283398), (146, 141699), (149, 138846), (219, 94466), (298, 69423), (317, 65262), (438, 47233), (447, 46282), (634, 32631), (894, 23141), (951, 21754), (1902, 10877)]