20923045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2251}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 29672352

約数和(自身を除く): 8749307

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1859, 2251, 9295, 11255, 24761, 29263, 123805, 146315, 321893, 380419, 1609465, 1902095, 4184609, 20923045]

約数ペア:

[(1, 20923045), (5, 4184609), (11, 1902095), (13, 1609465), (55, 380419), (65, 321893), (143, 146315), (169, 123805), (715, 29263), (845, 24761), (1859, 11255), (2251, 9295)]