20940175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1699}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 28458000

約数和(自身を除く): 7517825

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 1699, 2465, 8495, 12325, 28883, 42475, 49271, 144415, 246355, 722075, 837607, 1231775, 4188035, 20940175]

約数ペア:

[(1, 20940175), (5, 4188035), (17, 1231775), (25, 837607), (29, 722075), (85, 246355), (145, 144415), (425, 49271), (493, 42475), (725, 28883), (1699, 12325), (2465, 8495)]