20718448921

素因数分解:

${\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{857}}^1\times {\mathrm{6961}}^1$

素因数の和:7992

約数の個数: 16

約数和(自身を含む): 21790948608

約数和(自身を除く): 1072499687

約数列:

[1, 23, 151, 857, 3473, 6961, 19711, 129407, 160103, 1051111, 2976361, 5965577, 24175553, 137208271, 900802127, 20718448921]

約数ペア:

[(1, 20718448921), (23, 900802127), (151, 137208271), (857, 24175553), (3473, 5965577), (6961, 2976361), (19711, 1051111), (129407, 160103)]