20011250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{2287}}^1$

素因数の和:2316

約数の個数: 40

約数和(自身を含む): 42886272

約数和(自身を除く): 22875022

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 2287, 4375, 4574, 8750, 11435, 16009, 22870, 32018, 57175, 80045, 114350, 160090, 285875, 400225, 571750, 800450, 1429375, 2001125, 2858750, 4002250, 10005625, 20011250]

約数ペア:

[(1, 20011250), (2, 10005625), (5, 4002250), (7, 2858750), (10, 2001125), (14, 1429375), (25, 800450), (35, 571750), (50, 400225), (70, 285875), (125, 160090), (175, 114350), (250, 80045), (350, 57175), (625, 32018), (875, 22870), (1250, 16009), (1750, 11435), (2287, 8750), (4375, 4574)]