20078245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4621}}^1$

素因数の和:4716

約数の個数: 16

約数和(自身を含む): 26622720

約数和(自身を除く): 6544475

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 4621, 23105, 50831, 254155, 365059, 1825295, 4015649, 20078245]

約数ペア:

[(1, 20078245), (5, 4015649), (11, 1825295), (55, 365059), (79, 254155), (395, 50831), (869, 23105), (4345, 4621)]