20123171295

素因数分解:

$3^1\times 5^1\times {\mathrm{4451}}^1\times {\mathrm{301403}}^1$

素因数の和:305862

約数の個数: 16

約数和(自身を含む): 32204414592

約数和(自身を除く): 12081243297

約数列:

[1, 3, 5, 15, 4451, 13353, 22255, 66765, 301403, 904209, 1507015, 4521045, 1341544753, 4024634259, 6707723765, 20123171295]

約数ペア:

[(1, 20123171295), (3, 6707723765), (5, 4024634259), (15, 1341544753), (4451, 4521045), (13353, 1507015), (22255, 904209), (66765, 301403)]