20910486

素因数分解:

$2^1\times 3^1\times {\mathrm{443}}^1\times {\mathrm{7867}}^1$

素因数の和:8315

約数の個数: 16

約数和(自身を含む): 41920704

約数和(自身を除く): 21010218

約数列:

[1, 2, 3, 6, 443, 886, 1329, 2658, 7867, 15734, 23601, 47202, 3485081, 6970162, 10455243, 20910486]

約数ペア:

[(1, 20910486), (2, 10455243), (3, 6970162), (6, 3485081), (443, 47202), (886, 23601), (1329, 15734), (2658, 7867)]