20372188

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{17623}}^1$

素因数の和:17661

約数の個数: 18

約数和(自身を含む): 37873976

約数和(自身を除く): 17501788

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 17623, 35246, 70492, 299591, 599182, 1198364, 5093047, 10186094, 20372188]

約数ペア:

[(1, 20372188), (2, 10186094), (4, 5093047), (17, 1198364), (34, 599182), (68, 299591), (289, 70492), (578, 35246), (1156, 17623)]