201189620

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{21821}}^1$

素因数の和:22291

約数の個数: 24

約数和(自身を含む): 423434088

約数和(自身を除く): 222244468

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 21821, 43642, 87284, 109105, 218210, 436420, 10059481, 20118962, 40237924, 50297405, 100594810, 201189620]

約数ペア:

[(1, 201189620), (2, 100594810), (4, 50297405), (5, 40237924), (10, 20118962), (20, 10059481), (461, 436420), (922, 218210), (1844, 109105), (2305, 87284), (4610, 43642), (9220, 21821)]