20421344

素因数分解:

$2^5\times {\mathrm{149}}^1\times {\mathrm{4283}}^1$

素因数の和:4442

約数の個数: 24

約数和(自身を含む): 40483800

約数和(自身を除く): 20062456

約数列:

[1, 2, 4, 8, 16, 32, 149, 298, 596, 1192, 2384, 4283, 4768, 8566, 17132, 34264, 68528, 137056, 638167, 1276334, 2552668, 5105336, 10210672, 20421344]

約数ペア:

[(1, 20421344), (2, 10210672), (4, 5105336), (8, 2552668), (16, 1276334), (32, 638167), (149, 137056), (298, 68528), (596, 34264), (1192, 17132), (2384, 8566), (4283, 4768)]