20395713

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3331}}^1$

素因数の和:3504

約数の個数: 16

約数和(自身を含む): 29481536

約数和(自身を除く): 9085823

約数列:

[1, 3, 13, 39, 157, 471, 2041, 3331, 6123, 9993, 43303, 129909, 522967, 1568901, 6798571, 20395713]

約数ペア:

[(1, 20395713), (3, 6798571), (13, 1568901), (39, 522967), (157, 129909), (471, 43303), (2041, 9993), (3331, 6123)]