22107980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15569}}^1$

素因数の和:15649

約数の個数: 24

約数和(自身を含む): 47083680

約数和(自身を除く): 24975700

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15569, 31138, 62276, 77845, 155690, 311380, 1105399, 2210798, 4421596, 5526995, 11053990, 22107980]

約数ペア:

[(1, 22107980), (2, 11053990), (4, 5526995), (5, 4421596), (10, 2210798), (20, 1105399), (71, 311380), (142, 155690), (284, 77845), (355, 62276), (710, 31138), (1420, 15569)]