20170123660

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7361359}}^1$

素因数の和:7361505

約数の個数: 24

約数和(自身を含む): 42666442560

約数和(自身を除く): 22496318900

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7361359, 14722718, 29445436, 36806795, 73613590, 147227180, 1008506183, 2017012366, 4034024732, 5042530915, 10085061830, 20170123660]

約数ペア:

[(1, 20170123660), (2, 10085061830), (4, 5042530915), (5, 4034024732), (10, 2017012366), (20, 1008506183), (137, 147227180), (274, 73613590), (548, 36806795), (685, 29445436), (1370, 14722718), (2740, 7361359)]