20121963604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{264762679}}^1$

素因数の和:264762702

約数の個数: 12

約数和(自身を含む): 37066775200

約数和(自身を除く): 16944811596

約数列:

[1, 2, 4, 19, 38, 76, 264762679, 529525358, 1059050716, 5030490901, 10060981802, 20121963604]

約数ペア:

[(1, 20121963604), (2, 10060981802), (4, 5030490901), (19, 1059050716), (38, 529525358), (76, 264762679)]