20464455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1699}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 36230400

約数和(自身を除く): 15765945

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 1699, 2409, 4015, 5097, 8495, 12045, 18689, 25485, 56067, 93445, 124027, 280335, 372081, 620135, 1364297, 1860405, 4092891, 6821485, 20464455]

約数ペア:

[(1, 20464455), (3, 6821485), (5, 4092891), (11, 1860405), (15, 1364297), (33, 620135), (55, 372081), (73, 280335), (165, 124027), (219, 93445), (365, 56067), (803, 25485), (1095, 18689), (1699, 12045), (2409, 8495), (4015, 5097)]