20940609

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{593}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 7571391

約数列:

[1, 3, 79, 149, 237, 447, 593, 1779, 11771, 35313, 46847, 88357, 140541, 265071, 6980203, 20940609]

約数ペア:

[(1, 20940609), (3, 6980203), (79, 265071), (149, 140541), (237, 88357), (447, 46847), (593, 35313), (1779, 11771)]