20165459408

素因数分解:

$2^4\times {\mathrm{1260341213}}^1$

素因数の和:1260341221

約数の個数: 10

約数和(自身を含む): 39070577634

約数和(自身を除く): 18905118226

約数列:

[1, 2, 4, 8, 16, 1260341213, 2520682426, 5041364852, 10082729704, 20165459408]

約数ペア:

[(1, 20165459408), (2, 10082729704), (4, 5041364852), (8, 2520682426), (16, 1260341213)]