20121963596

素因数分解:

$2^2\times 7^1\times {\mathrm{718641557}}^1$

素因数の和:718641568

約数の個数: 12

約数和(自身を含む): 40243927248

約数和(自身を除く): 20121963652

約数列:

[1, 2, 4, 7, 14, 28, 718641557, 1437283114, 2874566228, 5030490899, 10060981798, 20121963596]

約数ペア:

[(1, 20121963596), (2, 10060981798), (4, 5030490899), (7, 2874566228), (14, 1437283114), (28, 718641557)]