20348040621

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{547}}^1\times {\mathrm{631}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 27917452288

約数和(自身を除く): 7569411667

約数列:

[1, 3, 43, 129, 457, 547, 631, 1371, 1641, 1893, 19651, 23521, 27133, 58953, 70563, 81399, 249979, 288367, 345157, 749937, 865101, 1035471, 10749097, 12399781, 14841751, 32247291, 37199343, 44525253, 157736749, 473210247, 6782680207, 20348040621]

約数ペア:

[(1, 20348040621), (3, 6782680207), (43, 473210247), (129, 157736749), (457, 44525253), (547, 37199343), (631, 32247291), (1371, 14841751), (1641, 12399781), (1893, 10749097), (19651, 1035471), (23521, 865101), (27133, 749937), (58953, 345157), (70563, 288367), (81399, 249979)]