20530642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2399}}^1$

素因数の和:2801

約数の個数: 16

約数和(自身を含む): 33696000

約数和(自身を除く): 13165358

約数列:

[1, 2, 11, 22, 389, 778, 2399, 4279, 4798, 8558, 26389, 52778, 933211, 1866422, 10265321, 20530642]

約数ペア:

[(1, 20530642), (2, 10265321), (11, 1866422), (22, 933211), (389, 52778), (778, 26389), (2399, 8558), (4279, 4798)]