20390374

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 13155866

約数列:

[1, 2, 23, 31, 46, 62, 79, 158, 181, 362, 713, 1426, 1817, 2449, 3634, 4163, 4898, 5611, 8326, 11222, 14299, 28598, 56327, 112654, 129053, 258106, 328877, 443269, 657754, 886538, 10195187, 20390374]

約数ペア:

[(1, 20390374), (2, 10195187), (23, 886538), (31, 657754), (46, 443269), (62, 328877), (79, 258106), (158, 129053), (181, 112654), (362, 56327), (713, 28598), (1426, 14299), (1817, 11222), (2449, 8326), (3634, 5611), (4163, 4898)]