20121653868

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{72904543}}^1$

素因数の和:72904573

約数の個数: 24

約数和(自身を含む): 48991853568

約数和(自身を除く): 28870199700

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 72904543, 145809086, 218713629, 291618172, 437427258, 874854516, 1676804489, 3353608978, 5030413467, 6707217956, 10060826934, 20121653868]

約数ペア:

[(1, 20121653868), (2, 10060826934), (3, 6707217956), (4, 5030413467), (6, 3353608978), (12, 1676804489), (23, 874854516), (46, 437427258), (69, 291618172), (92, 218713629), (138, 145809086), (276, 72904543)]