12820076

素因数分解:

$2^2\times {\mathrm{113}}^2\times {\mathrm{251}}^1$

素因数の和:481

約数の個数: 18

約数和(自身を含む): 22725612

約数和(自身を除く): 9905536

約数列:

[1, 2, 4, 113, 226, 251, 452, 502, 1004, 12769, 25538, 28363, 51076, 56726, 113452, 3205019, 6410038, 12820076]

約数ペア:

[(1, 12820076), (2, 6410038), (4, 3205019), (113, 113452), (226, 56726), (251, 51076), (452, 28363), (502, 25538), (1004, 12769)]