20170950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4637}}^1$

素因数の和:4681

約数の個数: 48

約数和(自身を含む): 51760080

約数和(自身を除く): 31589130

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4637, 9274, 13911, 23185, 27822, 46370, 69555, 115925, 134473, 139110, 231850, 268946, 347775, 403419, 672365, 695550, 806838, 1344730, 2017095, 3361825, 4034190, 6723650, 10085475, 20170950]

約数ペア:

[(1, 20170950), (2, 10085475), (3, 6723650), (5, 4034190), (6, 3361825), (10, 2017095), (15, 1344730), (25, 806838), (29, 695550), (30, 672365), (50, 403419), (58, 347775), (75, 268946), (87, 231850), (145, 139110), (150, 134473), (174, 115925), (290, 69555), (435, 46370), (725, 27822), (870, 23185), (1450, 13911), (2175, 9274), (4350, 4637)]