20742590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{701}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 40940640

約数和(自身を除く): 20198050

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 269, 538, 701, 1345, 1402, 2690, 2959, 3505, 5918, 7010, 7711, 14795, 15422, 29590, 38555, 77110, 188569, 377138, 942845, 1885690, 2074259, 4148518, 10371295, 20742590]

約数ペア:

[(1, 20742590), (2, 10371295), (5, 4148518), (10, 2074259), (11, 1885690), (22, 942845), (55, 377138), (110, 188569), (269, 77110), (538, 38555), (701, 29590), (1345, 15422), (1402, 14795), (2690, 7711), (2959, 7010), (3505, 5918)]