20168445

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:3993

約数の個数: 32

約数和(自身を含む): 36347904

約数和(自身を除く): 16179459

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 3943, 5115, 11829, 19715, 43373, 59145, 122233, 130119, 216865, 366699, 611165, 650595, 1344563, 1833495, 4033689, 6722815, 20168445]

約数ペア:

[(1, 20168445), (3, 6722815), (5, 4033689), (11, 1833495), (15, 1344563), (31, 650595), (33, 611165), (55, 366699), (93, 216865), (155, 130119), (165, 122233), (341, 59145), (465, 43373), (1023, 19715), (1705, 11829), (3943, 5115)]