20123612

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{56527}}^1$

素因数の和:56620

約数の個数: 12

約数和(自身を含む): 35612640

約数和(自身を除く): 15489028

約数列:

[1, 2, 4, 89, 178, 356, 56527, 113054, 226108, 5030903, 10061806, 20123612]

約数ペア:

[(1, 20123612), (2, 10061806), (4, 5030903), (89, 226108), (178, 113054), (356, 56527)]