20192975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 27633648

約数和(自身を除く): 7440673

約数列:

[1, 5, 11, 25, 55, 97, 275, 485, 757, 1067, 2425, 3785, 5335, 8327, 18925, 26675, 41635, 73429, 208175, 367145, 807719, 1835725, 4038595, 20192975]

約数ペア:

[(1, 20192975), (5, 4038595), (11, 1835725), (25, 807719), (55, 367145), (97, 208175), (275, 73429), (485, 41635), (757, 26675), (1067, 18925), (2425, 8327), (3785, 5335)]