20109147

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 9647013

約数列:

[1, 3, 17, 41, 51, 59, 123, 163, 177, 489, 697, 1003, 2091, 2419, 2771, 3009, 6683, 7257, 8313, 9617, 20049, 28851, 41123, 113611, 123369, 163489, 340833, 394297, 490467, 1182891, 6703049, 20109147]

約数ペア:

[(1, 20109147), (3, 6703049), (17, 1182891), (41, 490467), (51, 394297), (59, 340833), (123, 163489), (163, 123369), (177, 113611), (489, 41123), (697, 28851), (1003, 20049), (2091, 9617), (2419, 8313), (2771, 7257), (3009, 6683)]