20017882

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2311}}^1$

素因数の和:2445

約数の個数: 16

約数和(自身を含む): 30962304

約数和(自身を除く): 10944422

約数列:

[1, 2, 61, 71, 122, 142, 2311, 4331, 4622, 8662, 140971, 164081, 281942, 328162, 10008941, 20017882]

約数ペア:

[(1, 20017882), (2, 10008941), (61, 328162), (71, 281942), (122, 164081), (142, 140971), (2311, 8662), (4331, 4622)]