20121378483

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{1171}}^1\times {\mathrm{19819}}^1$

素因数の和:21027

約数の個数: 24

約数和(自身を含む): 28525261120

約数和(自身を除く): 8403882637

約数列:

[1, 3, 17, 51, 289, 867, 1171, 3513, 19819, 19907, 59457, 59721, 336923, 338419, 1010769, 1015257, 5727691, 17183073, 23208049, 69624147, 394536833, 1183610499, 6707126161, 20121378483]

約数ペア:

[(1, 20121378483), (3, 6707126161), (17, 1183610499), (51, 394536833), (289, 69624147), (867, 23208049), (1171, 17183073), (3513, 5727691), (19819, 1015257), (19907, 1010769), (59457, 338419), (59721, 336923)]