20201925

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8689}}^1$

素因数の和:8733

約数の個数: 24

約数和(自身を含む): 34481920

約数和(自身を除く): 14279995

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 8689, 26067, 43445, 130335, 217225, 269359, 651675, 808077, 1346795, 4040385, 6733975, 20201925]

約数ペア:

[(1, 20201925), (3, 6733975), (5, 4040385), (15, 1346795), (25, 808077), (31, 651675), (75, 269359), (93, 217225), (155, 130335), (465, 43445), (775, 26067), (2325, 8689)]