20178834221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3635171}}^1$

素因数の和:3635252

約数の個数: 16

約数和(自身を含む): 25242634368

約数和(自身を除く): 5063800147

約数列:

[1, 7, 13, 61, 91, 427, 793, 5551, 3635171, 25446197, 47257223, 221745431, 330800561, 1552218017, 2882690603, 20178834221]

約数ペア:

[(1, 20178834221), (7, 2882690603), (13, 1552218017), (61, 330800561), (91, 221745431), (427, 47257223), (793, 25446197), (5551, 3635171)]