20442699

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10973}}^1$

素因数の和:11008

約数の個数: 20

約数和(自身を含む): 31868496

約数和(自身を除く): 11425797

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10973, 32919, 98757, 252379, 296271, 757137, 888813, 2271411, 6814233, 20442699]

約数ペア:

[(1, 20442699), (3, 6814233), (9, 2271411), (23, 888813), (27, 757137), (69, 296271), (81, 252379), (207, 98757), (621, 32919), (1863, 10973)]