20944904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 20527096

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 178, 184, 356, 712, 1279, 2047, 2558, 4094, 5116, 8188, 10232, 16376, 29417, 58834, 113831, 117668, 227662, 235336, 455324, 910648, 2618113, 5236226, 10472452, 20944904]

約数ペア:

[(1, 20944904), (2, 10472452), (4, 5236226), (8, 2618113), (23, 910648), (46, 455324), (89, 235336), (92, 227662), (178, 117668), (184, 113831), (356, 58834), (712, 29417), (1279, 16376), (2047, 10232), (2558, 8188), (4094, 5116)]