20389599

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 30730752

約数和(自身を除く): 10341153

約数列:

[1, 3, 9, 31, 93, 107, 279, 321, 683, 963, 2049, 3317, 6147, 9951, 21173, 29853, 63519, 73081, 190557, 219243, 657729, 2265511, 6796533, 20389599]

約数ペア:

[(1, 20389599), (3, 6796533), (9, 2265511), (31, 657729), (93, 219243), (107, 190557), (279, 73081), (321, 63519), (683, 29853), (963, 21173), (2049, 9951), (3317, 6147)]