20731892

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 37285920

約数和(自身を除く): 16554028

約数列:

[1, 2, 4, 59, 107, 118, 214, 236, 428, 821, 1642, 3284, 6313, 12626, 25252, 48439, 87847, 96878, 175694, 193756, 351388, 5182973, 10365946, 20731892]

約数ペア:

[(1, 20731892), (2, 10365946), (4, 5182973), (59, 351388), (107, 193756), (118, 175694), (214, 96878), (236, 87847), (428, 48439), (821, 25252), (1642, 12626), (3284, 6313)]