20171903515

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{7907}}^1$

素因数の和:8203

約数の個数: 32

約数和(自身を含む): 25386577920

約数和(自身を除く): 5214674405

約数列:

[1, 5, 31, 109, 151, 155, 545, 755, 3379, 4681, 7907, 16459, 16895, 23405, 39535, 82295, 245117, 510229, 861863, 1193957, 1225585, 2551145, 4309315, 5969785, 26717753, 37012667, 130141313, 133588765, 185063335, 650706565, 4034380703, 20171903515]

約数ペア:

[(1, 20171903515), (5, 4034380703), (31, 650706565), (109, 185063335), (151, 133588765), (155, 130141313), (545, 37012667), (755, 26717753), (3379, 5969785), (4681, 4309315), (7907, 2551145), (16459, 1225585), (16895, 1193957), (23405, 861863), (39535, 510229), (82295, 245117)]