20199700360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72141787}}^1$

素因数の和:72141805

約数の個数: 32

約数和(自身を含む): 51942087360

約数和(自身を除く): 31742387000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72141787, 144283574, 288567148, 360708935, 504992509, 577134296, 721417870, 1009985018, 1442835740, 2019970036, 2524962545, 2885671480, 4039940072, 5049925090, 10099850180, 20199700360]

約数ペア:

[(1, 20199700360), (2, 10099850180), (4, 5049925090), (5, 4039940072), (7, 2885671480), (8, 2524962545), (10, 2019970036), (14, 1442835740), (20, 1009985018), (28, 721417870), (35, 577134296), (40, 504992509), (56, 360708935), (70, 288567148), (140, 144283574), (280, 72141787)]