20712495

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44543}}^1$

素因数の和:44582

約数の個数: 16

約数和(自身を含む): 34209792

約数和(自身を除く): 13497297

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 44543, 133629, 222715, 668145, 1380833, 4142499, 6904165, 20712495]

約数ペア:

[(1, 20712495), (3, 6904165), (5, 4142499), (15, 1380833), (31, 668145), (93, 222715), (155, 133629), (465, 44543)]