20111886

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15737}}^1$

素因数の和:15816

約数の個数: 24

約数和(自身を含む): 44192304

約数和(自身を除く): 24080418

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15737, 31474, 47211, 94422, 141633, 283266, 1117327, 2234654, 3351981, 6703962, 10055943, 20111886]

約数ペア:

[(1, 20111886), (2, 10055943), (3, 6703962), (6, 3351981), (9, 2234654), (18, 1117327), (71, 283266), (142, 141633), (213, 94422), (426, 47211), (639, 31474), (1278, 15737)]