20121247978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11550659}}^1$

素因数の和:11550741

約数の個数: 16

約数和(自身を含む): 32988684960

約数和(自身を除く): 12867436982

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11550659, 23101318, 150158567, 300317134, 773894153, 1547788306, 10060623989, 20121247978]

約数ペア:

[(1, 20121247978), (2, 10060623989), (13, 1547788306), (26, 773894153), (67, 300317134), (134, 150158567), (871, 23101318), (1742, 11550659)]