20120665054

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{27281}}^1$

素因数の和:27808

約数の個数: 32

約数和(自身を含む): 34833657600

約数和(自身を除く): 14712992546

約数列:

[1, 2, 7, 14, 139, 278, 379, 758, 973, 1946, 2653, 5306, 27281, 52681, 54562, 105362, 190967, 368767, 381934, 737534, 3792059, 7584118, 10339499, 20678998, 26544413, 53088826, 72376493, 144752986, 1437190361, 2874380722, 10060332527, 20120665054]

約数ペア:

[(1, 20120665054), (2, 10060332527), (7, 2874380722), (14, 1437190361), (139, 144752986), (278, 72376493), (379, 53088826), (758, 26544413), (973, 20678998), (1946, 10339499), (2653, 7584118), (5306, 3792059), (27281, 737534), (52681, 381934), (54562, 368767), (105362, 190967)]