20121571336

素因数分解:

$2^3\times {\mathrm{3643}}^1\times {\mathrm{690419}}^1$

素因数の和:694068

約数の個数: 16

約数和(自身を含む): 37738357200

約数和(自身を除く): 17616785864

約数列:

[1, 2, 4, 8, 3643, 7286, 14572, 29144, 690419, 1380838, 2761676, 5523352, 2515196417, 5030392834, 10060785668, 20121571336]

約数ペア:

[(1, 20121571336), (2, 10060785668), (4, 5030392834), (8, 2515196417), (3643, 5523352), (7286, 2761676), (14572, 1380838), (29144, 690419)]