20984941610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123440833}}^1$

素因数の和:123440857

約数の個数: 16

約数和(自身を含む): 39994830216

約数和(自身を除く): 19009888606

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 123440833, 246881666, 617204165, 1234408330, 2098494161, 4196988322, 10492470805, 20984941610]

約数ペア:

[(1, 20984941610), (2, 10492470805), (5, 4196988322), (10, 2098494161), (17, 1234408330), (34, 617204165), (85, 246881666), (170, 123440833)]