20565245897

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{487}}^1\times {\mathrm{829}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 24885657600

約数和(自身を除く): 4320411703

約数列:

[1, 7, 19, 133, 383, 487, 829, 2681, 3409, 5803, 7277, 9253, 15751, 50939, 64771, 110257, 186521, 317507, 403723, 1305647, 2222549, 2826061, 3543899, 6032633, 7670737, 24807293, 42228431, 53695159, 154625909, 1082381363, 2937892271, 20565245897]

約数ペア:

[(1, 20565245897), (7, 2937892271), (19, 1082381363), (133, 154625909), (383, 53695159), (487, 42228431), (829, 24807293), (2681, 7670737), (3409, 6032633), (5803, 3543899), (7277, 2826061), (9253, 2222549), (15751, 1305647), (50939, 403723), (64771, 317507), (110257, 186521)]