20464254

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1129}}^1$

素因数の和:1209

約数の個数: 48

約数和(自身を含む): 47595600

約数和(自身を除く): 27131346

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 53, 57, 106, 114, 159, 171, 318, 342, 477, 954, 1007, 1129, 2014, 2258, 3021, 3387, 6042, 6774, 9063, 10161, 18126, 20322, 21451, 42902, 59837, 64353, 119674, 128706, 179511, 193059, 359022, 386118, 538533, 1077066, 1136903, 2273806, 3410709, 6821418, 10232127, 20464254]

約数ペア:

[(1, 20464254), (2, 10232127), (3, 6821418), (6, 3410709), (9, 2273806), (18, 1136903), (19, 1077066), (38, 538533), (53, 386118), (57, 359022), (106, 193059), (114, 179511), (159, 128706), (171, 119674), (318, 64353), (342, 59837), (477, 42902), (954, 21451), (1007, 20322), (1129, 18126), (2014, 10161), (2258, 9063), (3021, 6774), (3387, 6042)]