20218822

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1528

約数の個数: 24

約数和(自身を含む): 33664680

約数和(自身を除く): 13445858

約数列:

[1, 2, 13, 26, 41, 82, 169, 338, 533, 1066, 1459, 2918, 6929, 13858, 18967, 37934, 59819, 119638, 246571, 493142, 777647, 1555294, 10109411, 20218822]

約数ペア:

[(1, 20218822), (2, 10109411), (13, 1555294), (26, 777647), (41, 493142), (82, 246571), (169, 119638), (338, 59819), (533, 37934), (1066, 18967), (1459, 13858), (2918, 6929)]