20121708434

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{12541}}^1\times {\mathrm{42223}}^1$

素因数の和:54785

約数の個数: 16

約数和(自身を含む): 31774404480

約数和(自身を除く): 11652696046

約数列:

[1, 2, 19, 38, 12541, 25082, 42223, 84446, 238279, 476558, 802237, 1604474, 529518643, 1059037286, 10060854217, 20121708434]

約数ペア:

[(1, 20121708434), (2, 10060854217), (19, 1059037286), (38, 529518643), (12541, 1604474), (25082, 802237), (42223, 476558), (84446, 238279)]