201993140

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{17939}}^1$

素因数の和:18511

約数の個数: 24

約数和(自身を含む): 424962720

約数和(自身を除く): 222969580

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2815, 5630, 11260, 17939, 35878, 71756, 89695, 179390, 358780, 10099657, 20199314, 40398628, 50498285, 100996570, 201993140]

約数ペア:

[(1, 201993140), (2, 100996570), (4, 50498285), (5, 40398628), (10, 20199314), (20, 10099657), (563, 358780), (1126, 179390), (2252, 89695), (2815, 71756), (5630, 35878), (11260, 17939)]