20138915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4733}}^1$

素因数の和:4798

約数の個数: 16

約数和(自身を含む): 25904448

約数和(自身を除く): 5765533

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 4733, 23665, 108859, 175121, 544295, 875605, 4027783, 20138915]

約数ペア:

[(1, 20138915), (5, 4027783), (23, 875605), (37, 544295), (115, 175121), (185, 108859), (851, 23665), (4255, 4733)]