22720700

素因数分解:

$2^2\times 5^2\times {\mathrm{227207}}^1$

素因数の和:227221

約数の個数: 18

約数和(自身を含む): 49304136

約数和(自身を除く): 26583436

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 227207, 454414, 908828, 1136035, 2272070, 4544140, 5680175, 11360350, 22720700]

約数ペア:

[(1, 22720700), (2, 11360350), (4, 5680175), (5, 4544140), (10, 2272070), (20, 1136035), (25, 908828), (50, 454414), (100, 227207)]