20143978

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1117}}^1$

素因数の和:1317

約数の個数: 16

約数和(自身を含む): 30910464

約数和(自身を除く): 10766486

約数列:

[1, 2, 71, 127, 142, 254, 1117, 2234, 9017, 18034, 79307, 141859, 158614, 283718, 10071989, 20143978]

約数ペア:

[(1, 20143978), (2, 10071989), (71, 283718), (127, 158614), (142, 141859), (254, 79307), (1117, 18034), (2234, 9017)]