20039770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117881}}^1$

素因数の和:117905

約数の個数: 16

約数和(自身を含む): 38193768

約数和(自身を除く): 18153998

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 117881, 235762, 589405, 1178810, 2003977, 4007954, 10019885, 20039770]

約数ペア:

[(1, 20039770), (2, 10019885), (5, 4007954), (10, 2003977), (17, 1178810), (34, 589405), (85, 235762), (170, 117881)]