20869772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67759}}^1$

素因数の和:67781

約数の個数: 24

約数和(自身を含む): 45534720

約数和(自身を除く): 24664948

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67759, 135518, 271036, 474313, 745349, 948626, 1490698, 1897252, 2981396, 5217443, 10434886, 20869772]

約数ペア:

[(1, 20869772), (2, 10434886), (4, 5217443), (7, 2981396), (11, 1897252), (14, 1490698), (22, 948626), (28, 745349), (44, 474313), (77, 271036), (154, 135518), (308, 67759)]