20042463

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6079}}^1$

素因数の和:6246

約数の個数: 16

約数和(自身を含む): 30740480

約数和(自身を除く): 10698017

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 6079, 18237, 42553, 127659, 954403, 2863209, 6680821, 20042463]

約数ペア:

[(1, 20042463), (3, 6680821), (7, 2863209), (21, 954403), (157, 127659), (471, 42553), (1099, 18237), (3297, 6079)]