20351439

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4801}}^1$

素因数の和:4967

約数の個数: 16

約数和(自身を含む): 30348640

約数和(自身を除く): 9997201

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 4801, 14403, 43209, 129627, 753757, 2261271, 6783813, 20351439]

約数ペア:

[(1, 20351439), (3, 6783813), (9, 2261271), (27, 753757), (157, 129627), (471, 43209), (1413, 14403), (4239, 4801)]