20169915

素因数分解:

$3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2131}}^1$

素因数の和:2770

約数の個数: 16

約数和(自身を含む): 32338176

約数和(自身を除く): 12168261

約数列:

[1, 3, 5, 15, 631, 1893, 2131, 3155, 6393, 9465, 10655, 31965, 1344661, 4033983, 6723305, 20169915]

約数ペア:

[(1, 20169915), (3, 6723305), (5, 4033983), (15, 1344661), (631, 31965), (1893, 10655), (2131, 9465), (3155, 6393)]