20072787

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22229}}^1$

素因数の和:22282

約数の個数: 16

約数和(自身を含む): 31299840

約数和(自身を除く): 11227053

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22229, 66687, 155603, 466809, 955847, 2867541, 6690929, 20072787]

約数ペア:

[(1, 20072787), (3, 6690929), (7, 2867541), (21, 955847), (43, 466809), (129, 155603), (301, 66687), (903, 22229)]