20171617899

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{42457}}^1$

素因数の和:42659

約数の個数: 32

約数和(自身を含む): 28694814720

約数和(自身を除く): 8523196821

約数列:

[1, 3, 29, 43, 87, 127, 129, 381, 1247, 3683, 3741, 5461, 11049, 16383, 42457, 127371, 158369, 475107, 1231253, 1825651, 3693759, 5392039, 5476953, 16176117, 52943879, 156369131, 158831637, 231857677, 469107393, 695573031, 6723872633, 20171617899]

約数ペア:

[(1, 20171617899), (3, 6723872633), (29, 695573031), (43, 469107393), (87, 231857677), (127, 158831637), (129, 156369131), (381, 52943879), (1247, 16176117), (3683, 5476953), (3741, 5392039), (5461, 3693759), (11049, 1825651), (16383, 1231253), (42457, 475107), (127371, 158369)]