20388695

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10429}}^1$

素因数の和:10474

約数の個数: 16

約数和(自身を含む): 27034560

約数和(自身を除く): 6645865

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 10429, 52145, 177293, 239867, 886465, 1199335, 4077739, 20388695]

約数ペア:

[(1, 20388695), (5, 4077739), (17, 1199335), (23, 886465), (85, 239867), (115, 177293), (391, 52145), (1955, 10429)]