20163045640

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1873889}}^1$

素因数の和:1874169

約数の個数: 32

約数和(自身を含む): 45535527000

約数和(自身を除く): 25372481360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 1873889, 3747778, 7495556, 9369445, 14991112, 18738890, 37477780, 74955560, 504076141, 1008152282, 2016304564, 2520380705, 4032609128, 5040761410, 10081522820, 20163045640]

約数ペア:

[(1, 20163045640), (2, 10081522820), (4, 5040761410), (5, 4032609128), (8, 2520380705), (10, 2016304564), (20, 1008152282), (40, 504076141), (269, 74955560), (538, 37477780), (1076, 18738890), (1345, 14991112), (2152, 9369445), (2690, 7495556), (5380, 3747778), (10760, 1873889)]