20504748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{953}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 52569216

約数和(自身を除く): 32064468

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 163, 326, 489, 652, 953, 978, 1793, 1906, 1956, 2859, 3586, 3812, 5379, 5718, 7172, 10483, 10758, 11436, 20966, 21516, 31449, 41932, 62898, 125796, 155339, 310678, 466017, 621356, 932034, 1708729, 1864068, 3417458, 5126187, 6834916, 10252374, 20504748]

約数ペア:

[(1, 20504748), (2, 10252374), (3, 6834916), (4, 5126187), (6, 3417458), (11, 1864068), (12, 1708729), (22, 932034), (33, 621356), (44, 466017), (66, 310678), (132, 155339), (163, 125796), (326, 62898), (489, 41932), (652, 31449), (953, 21516), (978, 20966), (1793, 11436), (1906, 10758), (1956, 10483), (2859, 7172), (3586, 5718), (3812, 5379)]