20189709

素因数分解:

$3^3\times {\mathrm{379}}^1\times {\mathrm{1973}}^1$

素因数の和:2361

約数の個数: 16

約数和(自身を含む): 30004800

約数和(自身を除く): 9815091

約数列:

[1, 3, 9, 27, 379, 1137, 1973, 3411, 5919, 10233, 17757, 53271, 747767, 2243301, 6729903, 20189709]

約数ペア:

[(1, 20189709), (3, 6729903), (9, 2243301), (27, 747767), (379, 53271), (1137, 17757), (1973, 10233), (3411, 5919)]