20105949

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5273}}^1$

素因数の和:5348

約数の個数: 16

約数和(自身を含む): 28353024

約数和(自身を除く): 8247075

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 5273, 15819, 163463, 216193, 490389, 648579, 6701983, 20105949]

約数ペア:

[(1, 20105949), (3, 6701983), (31, 648579), (41, 490389), (93, 216193), (123, 163463), (1271, 15819), (3813, 5273)]