20827959

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{541}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 28591584

約数和(自身を除く): 7763625

約数列:

[1, 3, 41, 123, 313, 541, 939, 1623, 12833, 22181, 38499, 66543, 169333, 507999, 6942653, 20827959]

約数ペア:

[(1, 20827959), (3, 6942653), (41, 507999), (123, 169333), (313, 66543), (541, 38499), (939, 22181), (1623, 12833)]