20619742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4241}}^1$

素因数の和:4284

約数の個数: 32

約数和(自身を含む): 38483424

約数和(自身を除く): 17863682

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4241, 4862, 8482, 46651, 55133, 72097, 93302, 110266, 144194, 606463, 793067, 937261, 1212926, 1586134, 1874522, 10309871, 20619742]

約数ペア:

[(1, 20619742), (2, 10309871), (11, 1874522), (13, 1586134), (17, 1212926), (22, 937261), (26, 793067), (34, 606463), (143, 144194), (187, 110266), (221, 93302), (286, 72097), (374, 55133), (442, 46651), (2431, 8482), (4241, 4862)]