20172511015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1\times {\mathrm{119921}}^1$

素因数の和:121922

約数の個数: 16

約数和(自身を含む): 25644120480

約数和(自身を除く): 5471609465

約数列:

[1, 5, 17, 85, 1979, 9895, 33643, 119921, 168215, 599605, 2038657, 10193285, 237323659, 1186618295, 4034502203, 20172511015]

約数ペア:

[(1, 20172511015), (5, 4034502203), (17, 1186618295), (85, 237323659), (1979, 10193285), (9895, 2038657), (33643, 599605), (119921, 168215)]