20651448

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5279}}^1$

素因数の和:5451

約数の個数: 32

約数和(自身を含む): 51955200

約数和(自身を除く): 31303752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5279, 10558, 15837, 21116, 31674, 42232, 63348, 126696, 860477, 1720954, 2581431, 3441908, 5162862, 6883816, 10325724, 20651448]

約数ペア:

[(1, 20651448), (2, 10325724), (3, 6883816), (4, 5162862), (6, 3441908), (8, 2581431), (12, 1720954), (24, 860477), (163, 126696), (326, 63348), (489, 42232), (652, 31674), (978, 21116), (1304, 15837), (1956, 10558), (3912, 5279)]