20382904

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{62143}}^1$

素因数の和:62190

約数の個数: 16

約数和(自身を含む): 39150720

約数和(自身を除く): 18767816

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 62143, 124286, 248572, 497144, 2547863, 5095726, 10191452, 20382904]

約数ペア:

[(1, 20382904), (2, 10191452), (4, 5095726), (8, 2547863), (41, 497144), (82, 248572), (164, 124286), (328, 62143)]