20630975

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 26434320

約数和(自身を除く): 5803345

約数列:

[1, 5, 25, 67, 109, 113, 335, 545, 565, 1675, 2725, 2825, 7303, 7571, 12317, 36515, 37855, 61585, 182575, 189275, 307925, 825239, 4126195, 20630975]

約数ペア:

[(1, 20630975), (5, 4126195), (25, 825239), (67, 307925), (109, 189275), (113, 182575), (335, 61585), (545, 37855), (565, 36515), (1675, 12317), (2725, 7571), (2825, 7303)]