20454902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{5011}}^1$

素因数の和:5183

約数の個数: 16

約数和(自身を含む): 33259632

約数和(自身を除く): 12804730

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 5011, 10022, 65143, 130286, 786727, 1573454, 10227451, 20454902]

約数ペア:

[(1, 20454902), (2, 10227451), (13, 1573454), (26, 786727), (157, 130286), (314, 65143), (2041, 10022), (4082, 5011)]