20944845

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3301}}^1$

素因数の和:3362

約数の個数: 32

約数和(自身を含む): 38039040

約数和(自身を除く): 17094195

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 3301, 6345, 9903, 16505, 29709, 49515, 89127, 148545, 155147, 445635, 465441, 775735, 1396323, 2327205, 4188969, 6981615, 20944845]

約数ペア:

[(1, 20944845), (3, 6981615), (5, 4188969), (9, 2327205), (15, 1396323), (27, 775735), (45, 465441), (47, 445635), (135, 155147), (141, 148545), (235, 89127), (423, 49515), (705, 29709), (1269, 16505), (2115, 9903), (3301, 6345)]