20120221215

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3956779}}^1$

素因数の和:3956903

約数の個数: 24

約数和(自身を含む): 35183687760

約数和(自身を除く): 15063466545

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 5085, 3956779, 11870337, 19783895, 35611011, 59351685, 178055055, 447116027, 1341348081, 2235580135, 4024044243, 6706740405, 20120221215]

約数ペア:

[(1, 20120221215), (3, 6706740405), (5, 4024044243), (9, 2235580135), (15, 1341348081), (45, 447116027), (113, 178055055), (339, 59351685), (565, 35611011), (1017, 19783895), (1695, 11870337), (5085, 3956779)]