20290644

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{51239}}^1$

素因数の和:51260

約数の個数: 36

約数和(自身を含む): 55954080

約数和(自身を除く): 35663436

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 51239, 102478, 153717, 204956, 307434, 461151, 563629, 614868, 922302, 1127258, 1690887, 1844604, 2254516, 3381774, 5072661, 6763548, 10145322, 20290644]

約数ペア:

[(1, 20290644), (2, 10145322), (3, 6763548), (4, 5072661), (6, 3381774), (9, 2254516), (11, 1844604), (12, 1690887), (18, 1127258), (22, 922302), (33, 614868), (36, 563629), (44, 461151), (66, 307434), (99, 204956), (132, 153717), (198, 102478), (396, 51239)]