20404473

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2713}}^1$

素因数の和:2848

約数の個数: 16

約数和(自身を含む): 28659840

約数和(自身を除く): 8255367

約数列:

[1, 3, 23, 69, 109, 327, 2507, 2713, 7521, 8139, 62399, 187197, 295717, 887151, 6801491, 20404473]

約数ペア:

[(1, 20404473), (3, 6801491), (23, 887151), (69, 295717), (109, 187197), (327, 62399), (2507, 8139), (2713, 7521)]