20139006890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49119529}}^1$

素因数の和:49119577

約数の個数: 16

約数和(自身を含む): 37134364680

約数和(自身を除く): 16995357790

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49119529, 98239058, 245597645, 491195290, 2013900689, 4027801378, 10069503445, 20139006890]

約数ペア:

[(1, 20139006890), (2, 10069503445), (5, 4027801378), (10, 2013900689), (41, 491195290), (82, 245597645), (205, 98239058), (410, 49119529)]