208060820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{945731}}^1$

素因数の和:945751

約数の個数: 24

約数和(自身を含む): 476648928

約数和(自身を除く): 268588108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 945731, 1891462, 3782924, 4728655, 9457310, 10403041, 18914620, 20806082, 41612164, 52015205, 104030410, 208060820]

約数ペア:

[(1, 208060820), (2, 104030410), (4, 52015205), (5, 41612164), (10, 20806082), (11, 18914620), (20, 10403041), (22, 9457310), (44, 4728655), (55, 3782924), (110, 1891462), (220, 945731)]