20558050

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5791}}^1$

素因数の和:5874

約数の個数: 24

約数和(自身を含む): 38783232

約数和(自身を除く): 18225182

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5791, 11582, 28955, 57910, 144775, 289550, 411161, 822322, 2055805, 4111610, 10279025, 20558050]

約数ペア:

[(1, 20558050), (2, 10279025), (5, 4111610), (10, 2055805), (25, 822322), (50, 411161), (71, 289550), (142, 144775), (355, 57910), (710, 28955), (1775, 11582), (3550, 5791)]