17115920

素因数分解:

$2^4\times 5^1\times {\mathrm{213949}}^1$

素因数の和:213962

約数の個数: 20

約数和(自身を含む): 39794700

約数和(自身を除く): 22678780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 213949, 427898, 855796, 1069745, 1711592, 2139490, 3423184, 4278980, 8557960, 17115920]

約数ペア:

[(1, 17115920), (2, 8557960), (4, 4278980), (5, 3423184), (8, 2139490), (10, 1711592), (16, 1069745), (20, 855796), (40, 427898), (80, 213949)]