20876640921

素因数分解:

$3^3\times {\mathrm{2437}}^1\times {\mathrm{317279}}^1$

素因数の和:319725

約数の個数: 16

約数和(自身を含む): 30941145600

約数和(自身を除く): 10064504679

約数列:

[1, 3, 9, 27, 2437, 7311, 21933, 65799, 317279, 951837, 2855511, 8566533, 773208923, 2319626769, 6958880307, 20876640921]

約数ペア:

[(1, 20876640921), (3, 6958880307), (9, 2319626769), (27, 773208923), (2437, 8566533), (7311, 2855511), (21933, 951837), (65799, 317279)]