20018722

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:741

約数の個数: 16

約数和(自身を含む): 30511800

約数和(自身を除く): 10493078

約数列:

[1, 2, 109, 218, 229, 401, 458, 802, 24961, 43709, 49922, 87418, 91829, 183658, 10009361, 20018722]

約数ペア:

[(1, 20018722), (2, 10009361), (109, 183658), (218, 91829), (229, 87418), (401, 49922), (458, 43709), (802, 24961)]