20721462

素因数分解:

$2^1\times 3^1\times {\mathrm{1811}}^1\times {\mathrm{1907}}^1$

素因数の和:3723

約数の個数: 16

約数和(自身を含む): 41487552

約数和(自身を除く): 20766090

約数列:

[1, 2, 3, 6, 1811, 1907, 3622, 3814, 5433, 5721, 10866, 11442, 3453577, 6907154, 10360731, 20721462]

約数ペア:

[(1, 20721462), (2, 10360731), (3, 6907154), (6, 3453577), (1811, 11442), (1907, 10866), (3622, 5721), (3814, 5433)]