20001202

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{937}}^1$

素因数の和:1773

約数の個数: 16

約数和(自身を含む): 32383512

約数和(自身を除く): 12382310

約数列:

[1, 2, 13, 26, 821, 937, 1642, 1874, 10673, 12181, 21346, 24362, 769277, 1538554, 10000601, 20001202]

約数ペア:

[(1, 20001202), (2, 10000601), (13, 1538554), (26, 769277), (821, 24362), (937, 21346), (1642, 12181), (1874, 10673)]