20121963554

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{203207}}^1$

素因数の和:203870

約数の個数: 32

約数和(自身を含む): 37689394176

約数和(自身を除く): 17567430622

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 643, 1286, 4501, 7073, 9002, 14146, 49511, 99022, 203207, 406414, 1422449, 2235277, 2844898, 4470554, 15646939, 31293878, 130662101, 261324202, 914634707, 1437283111, 1829269414, 2874566222, 10060981777, 20121963554]

約数ペア:

[(1, 20121963554), (2, 10060981777), (7, 2874566222), (11, 1829269414), (14, 1437283111), (22, 914634707), (77, 261324202), (154, 130662101), (643, 31293878), (1286, 15646939), (4501, 4470554), (7073, 2844898), (9002, 2235277), (14146, 1422449), (49511, 406414), (99022, 203207)]