20005791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{22303}}^1$

素因数の和:22342

約数の個数: 16

約数和(自身を含む): 29976576

約数和(自身を除く): 9970785

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 22303, 66909, 289939, 512969, 869817, 1538907, 6668597, 20005791]

約数ペア:

[(1, 20005791), (3, 6668597), (13, 1538907), (23, 869817), (39, 512969), (69, 289939), (299, 66909), (897, 22303)]