20761640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22567}}^1$

素因数の和:22601

約数の個数: 32

約数和(自身を含む): 48746880

約数和(自身を除く): 27985240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22567, 45134, 90268, 112835, 180536, 225670, 451340, 519041, 902680, 1038082, 2076164, 2595205, 4152328, 5190410, 10380820, 20761640]

約数ペア:

[(1, 20761640), (2, 10380820), (4, 5190410), (5, 4152328), (8, 2595205), (10, 2076164), (20, 1038082), (23, 902680), (40, 519041), (46, 451340), (92, 225670), (115, 180536), (184, 112835), (230, 90268), (460, 45134), (920, 22567)]