20808515516

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{2063}}^1\times {\mathrm{81343}}^1$

素因数の和:83441

約数の個数: 24

約数和(自身を含む): 37608259584

約数和(自身を除く): 16799744068

約数列:

[1, 2, 4, 31, 62, 124, 2063, 4126, 8252, 63953, 81343, 127906, 162686, 255812, 325372, 2521633, 5043266, 10086532, 167810609, 335621218, 671242436, 5202128879, 10404257758, 20808515516]

約数ペア:

[(1, 20808515516), (2, 10404257758), (4, 5202128879), (31, 671242436), (62, 335621218), (124, 167810609), (2063, 10086532), (4126, 5043266), (8252, 2521633), (63953, 325372), (81343, 255812), (127906, 162686)]