20506340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44579}}^1$

素因数の和:44611

約数の個数: 24

約数和(自身を含む): 44936640

約数和(自身を除く): 24430300

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44579, 89158, 178316, 222895, 445790, 891580, 1025317, 2050634, 4101268, 5126585, 10253170, 20506340]

約数ペア:

[(1, 20506340), (2, 10253170), (4, 5126585), (5, 4101268), (10, 2050634), (20, 1025317), (23, 891580), (46, 445790), (92, 222895), (115, 178316), (230, 89158), (460, 44579)]