20121608444

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3222551}}^1$

素因数の和:3222785

約数の個数: 24

約数和(自身を含む): 40423692288

約数和(自身を除く): 20302083844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 3222551, 6445102, 12890204, 22557857, 45115714, 90231428, 718628873, 1437257746, 2874515492, 5030402111, 10060804222, 20121608444]

約数ペア:

[(1, 20121608444), (2, 10060804222), (4, 5030402111), (7, 2874515492), (14, 1437257746), (28, 718628873), (223, 90231428), (446, 45115714), (892, 22557857), (1561, 12890204), (3122, 6445102), (6244, 3222551)]