22540180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86693}}^1$

素因数の和:86715

約数の個数: 24

約数和(自身を含む): 50976072

約数和(自身を除く): 28435892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 86693, 173386, 346772, 433465, 866930, 1127009, 1733860, 2254018, 4508036, 5635045, 11270090, 22540180]

約数ペア:

[(1, 22540180), (2, 11270090), (4, 5635045), (5, 4508036), (10, 2254018), (13, 1733860), (20, 1127009), (26, 866930), (52, 433465), (65, 346772), (130, 173386), (260, 86693)]