20660493

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1723}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 31556096

約数和(自身を除く): 10895603

約数列:

[1, 3, 7, 21, 571, 1713, 1723, 3997, 5169, 11991, 12061, 36183, 983833, 2951499, 6886831, 20660493]

約数ペア:

[(1, 20660493), (3, 6886831), (7, 2951499), (21, 983833), (571, 36183), (1713, 12061), (1723, 11991), (3997, 5169)]