20569523

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 23417856

約数和(自身を除く): 2848333

約数列:

[1, 13, 31, 43, 403, 559, 1187, 1333, 15431, 17329, 36797, 51041, 478361, 663533, 1582271, 20569523]

約数ペア:

[(1, 20569523), (13, 1582271), (31, 663533), (43, 478361), (403, 51041), (559, 36797), (1187, 17329), (1333, 15431)]