20632280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5107}}^1$

素因数の和:5219

約数の個数: 32

約数和(自身を含む): 46891440

約数和(自身を除く): 26259160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 5107, 10214, 20428, 25535, 40856, 51070, 102140, 204280, 515807, 1031614, 2063228, 2579035, 4126456, 5158070, 10316140, 20632280]

約数ペア:

[(1, 20632280), (2, 10316140), (4, 5158070), (5, 4126456), (8, 2579035), (10, 2063228), (20, 1031614), (40, 515807), (101, 204280), (202, 102140), (404, 51070), (505, 40856), (808, 25535), (1010, 20428), (2020, 10214), (4040, 5107)]