20121747518

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{821497}}^1$

素因数の和:821867

約数の個数: 16

約数和(自身を含む): 31092056304

約数和(自身を除く): 10970308786

約数列:

[1, 2, 37, 74, 331, 662, 12247, 24494, 821497, 1642994, 30395389, 60790778, 271915507, 543831014, 10060873759, 20121747518]

約数ペア:

[(1, 20121747518), (2, 10060873759), (37, 543831014), (74, 271915507), (331, 60790778), (662, 30395389), (12247, 1642994), (24494, 821497)]