20747460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{345791}}^1$

素因数の和:345803

約数の個数: 24

約数和(自身を含む): 58093056

約数和(自身を除く): 37345596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 345791, 691582, 1037373, 1383164, 1728955, 2074746, 3457910, 4149492, 5186865, 6915820, 10373730, 20747460]

約数ペア:

[(1, 20747460), (2, 10373730), (3, 6915820), (4, 5186865), (5, 4149492), (6, 3457910), (10, 2074746), (12, 1728955), (15, 1383164), (20, 1037373), (30, 691582), (60, 345791)]