20730484225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{499229}}^1$

素因数の和:499401

約数の個数: 24

約数和(自身を含む): 28228461120

約数和(自身を除く): 7497976895

約数列:

[1, 5, 11, 25, 55, 151, 275, 755, 1661, 3775, 8305, 41525, 499229, 2496145, 5491519, 12480725, 27457595, 75383579, 137287975, 376917895, 829219369, 1884589475, 4146096845, 20730484225]

約数ペア:

[(1, 20730484225), (5, 4146096845), (11, 1884589475), (25, 829219369), (55, 376917895), (151, 137287975), (275, 75383579), (755, 27457595), (1661, 12480725), (3775, 5491519), (8305, 2496145), (41525, 499229)]