20686750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11821}}^1$

素因数の和:11845

約数の個数: 32

約数和(自身を含む): 44261568

約数和(自身を除く): 23574818

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 11821, 23642, 59105, 82747, 118210, 165494, 295525, 413735, 591050, 827470, 1477625, 2068675, 2955250, 4137350, 10343375, 20686750]

約数ペア:

[(1, 20686750), (2, 10343375), (5, 4137350), (7, 2955250), (10, 2068675), (14, 1477625), (25, 827470), (35, 591050), (50, 413735), (70, 295525), (125, 165494), (175, 118210), (250, 82747), (350, 59105), (875, 23642), (1750, 11821)]