20619460

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2381}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 43419096

約数和(自身を除く): 22799636

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 2381, 4330, 4762, 8660, 9524, 11905, 23810, 47620, 1030973, 2061946, 4123892, 5154865, 10309730, 20619460]

約数ペア:

[(1, 20619460), (2, 10309730), (4, 5154865), (5, 4123892), (10, 2061946), (20, 1030973), (433, 47620), (866, 23810), (1732, 11905), (2165, 9524), (2381, 8660), (4330, 4762)]