20224985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 28449792

約数和(自身を除く): 8224807

約数列:

[1, 5, 11, 17, 55, 85, 97, 187, 223, 485, 935, 1067, 1115, 1649, 2453, 3791, 5335, 8245, 12265, 18139, 18955, 21631, 41701, 90695, 108155, 208505, 237941, 367727, 1189705, 1838635, 4044997, 20224985]

約数ペア:

[(1, 20224985), (5, 4044997), (11, 1838635), (17, 1189705), (55, 367727), (85, 237941), (97, 208505), (187, 108155), (223, 90695), (485, 41701), (935, 21631), (1067, 18955), (1115, 18139), (1649, 12265), (2453, 8245), (3791, 5335)]