20501820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113899}}^1$

素因数の和:113914

約数の個数: 36

約数和(自身を含む): 62189400

約数和(自身を除く): 41687580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113899, 227798, 341697, 455596, 569495, 683394, 1025091, 1138990, 1366788, 1708485, 2050182, 2277980, 3416970, 4100364, 5125455, 6833940, 10250910, 20501820]

約数ペア:

[(1, 20501820), (2, 10250910), (3, 6833940), (4, 5125455), (5, 4100364), (6, 3416970), (9, 2277980), (10, 2050182), (12, 1708485), (15, 1366788), (18, 1138990), (20, 1025091), (30, 683394), (36, 569495), (45, 455596), (60, 341697), (90, 227798), (180, 113899)]