20452743

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8707}}^1$

素因数の和:8748

約数の個数: 20

約数和(自身を含む): 31610040

約数和(自身を除く): 11157297

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8707, 26121, 78363, 235089, 252503, 705267, 757509, 2272527, 6817581, 20452743]

約数ペア:

[(1, 20452743), (3, 6817581), (9, 2272527), (27, 757509), (29, 705267), (81, 252503), (87, 235089), (261, 78363), (783, 26121), (2349, 8707)]