20935540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33767}}^1$

素因数の和:33807

約数の個数: 24

約数和(自身を含む): 45384192

約数和(自身を除く): 24448652

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33767, 67534, 135068, 168835, 337670, 675340, 1046777, 2093554, 4187108, 5233885, 10467770, 20935540]

約数ペア:

[(1, 20935540), (2, 10467770), (4, 5233885), (5, 4187108), (10, 2093554), (20, 1046777), (31, 675340), (62, 337670), (124, 168835), (155, 135068), (310, 67534), (620, 33767)]