20171027438

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{7211}}^1\times {\mathrm{19699}}^1$

素因数の和:26983

約数の個数: 16

約数和(自身を含む): 30688502400

約数和(自身を除く): 10517474962

約数列:

[1, 2, 71, 142, 7211, 14422, 19699, 39398, 511981, 1023962, 1398629, 2797258, 142049489, 284098978, 10085513719, 20171027438]

約数ペア:

[(1, 20171027438), (2, 10085513719), (71, 284098978), (142, 142049489), (7211, 2797258), (14422, 1398629), (19699, 1023962), (39398, 511981)]