20802457

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 2905703

約数列:

[1, 13, 31, 41, 403, 533, 1259, 1271, 16367, 16523, 39029, 51619, 507377, 671047, 1600189, 20802457]

約数ペア:

[(1, 20802457), (13, 1600189), (31, 671047), (41, 507377), (403, 51619), (533, 39029), (1259, 16523), (1271, 16367)]