20470494

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7213}}^1$

素因数の和:7272

約数の個数: 32

約数和(自身を含む): 45707904

約数和(自身を除く): 25237410

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 7213, 14426, 21639, 43278, 79343, 158686, 238029, 310159, 476058, 620318, 930477, 1860954, 3411749, 6823498, 10235247, 20470494]

約数ペア:

[(1, 20470494), (2, 10235247), (3, 6823498), (6, 3411749), (11, 1860954), (22, 930477), (33, 620318), (43, 476058), (66, 310159), (86, 238029), (129, 158686), (258, 79343), (473, 43278), (946, 21639), (1419, 14426), (2838, 7213)]