20896325

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 27260160

約数和(自身を除く): 6363835

約数列:

[1, 5, 25, 31, 59, 155, 295, 457, 775, 1475, 1829, 2285, 9145, 11425, 14167, 26963, 45725, 70835, 134815, 354175, 674075, 835853, 4179265, 20896325]

約数ペア:

[(1, 20896325), (5, 4179265), (25, 835853), (31, 674075), (59, 354175), (155, 134815), (295, 70835), (457, 45725), (775, 26963), (1475, 14167), (1829, 11425), (2285, 9145)]