20218874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{8017}}^1$

素因数の和:8129

約数の個数: 16

約数和(自身を含む): 33002088

約数和(自身を除く): 12783214

約数列:

[1, 2, 13, 26, 97, 194, 1261, 2522, 8017, 16034, 104221, 208442, 777649, 1555298, 10109437, 20218874]

約数ペア:

[(1, 20218874), (2, 10109437), (13, 1555298), (26, 777649), (97, 208442), (194, 104221), (1261, 16034), (2522, 8017)]