201220424

素因数分解:

$2^3\times {\mathrm{1291}}^1\times {\mathrm{19483}}^1$

素因数の和:20780

約数の個数: 16

約数和(自身を含む): 377599920

約数和(自身を除く): 176379496

約数列:

[1, 2, 4, 8, 1291, 2582, 5164, 10328, 19483, 38966, 77932, 155864, 25152553, 50305106, 100610212, 201220424]

約数ペア:

[(1, 201220424), (2, 100610212), (4, 50305106), (8, 25152553), (1291, 155864), (2582, 77932), (5164, 38966), (10328, 19483)]