20576500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5879}}^1$

素因数の和:5905

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 30791180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5879, 11758, 23516, 29395, 41153, 58790, 82306, 117580, 146975, 164612, 205765, 293950, 411530, 587900, 734875, 823060, 1028825, 1469750, 2057650, 2939500, 4115300, 5144125, 10288250, 20576500]

約数ペア:

[(1, 20576500), (2, 10288250), (4, 5144125), (5, 4115300), (7, 2939500), (10, 2057650), (14, 1469750), (20, 1028825), (25, 823060), (28, 734875), (35, 587900), (50, 411530), (70, 293950), (100, 205765), (125, 164612), (140, 146975), (175, 117580), (250, 82306), (350, 58790), (500, 41153), (700, 29395), (875, 23516), (1750, 11758), (3500, 5879)]