20512076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{911}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 38789184

約数和(自身を除く): 18277108

約数列:

[1, 2, 4, 13, 26, 52, 433, 866, 911, 1732, 1822, 3644, 5629, 11258, 11843, 22516, 23686, 47372, 394463, 788926, 1577852, 5128019, 10256038, 20512076]

約数ペア:

[(1, 20512076), (2, 10256038), (4, 5128019), (13, 1577852), (26, 788926), (52, 394463), (433, 47372), (866, 23686), (911, 22516), (1732, 11843), (1822, 11258), (3644, 5629)]