20835500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5953}}^1$

素因数の和:5979

約数の個数: 48

約数和(自身を含む): 52014144

約数和(自身を除く): 31178644

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, 5953, 11906, 23812, 29765, 41671, 59530, 83342, 119060, 148825, 166684, 208355, 297650, 416710, 595300, 744125, 833420, 1041775, 1488250, 2083550, 2976500, 4167100, 5208875, 10417750, 20835500]

約数ペア:

[(1, 20835500), (2, 10417750), (4, 5208875), (5, 4167100), (7, 2976500), (10, 2083550), (14, 1488250), (20, 1041775), (25, 833420), (28, 744125), (35, 595300), (50, 416710), (70, 297650), (100, 208355), (125, 166684), (140, 148825), (175, 119060), (250, 83342), (350, 59530), (500, 41671), (700, 29765), (875, 23812), (1750, 11906), (3500, 5953)]