203415020

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{12541}}^1$

素因数の和:13361

約数の個数: 24

約数和(自身を含む): 427732368

約数和(自身を除く): 224317348

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 8110, 12541, 16220, 25082, 50164, 62705, 125410, 250820, 10170751, 20341502, 40683004, 50853755, 101707510, 203415020]

約数ペア:

[(1, 203415020), (2, 101707510), (4, 50853755), (5, 40683004), (10, 20341502), (20, 10170751), (811, 250820), (1622, 125410), (3244, 62705), (4055, 50164), (8110, 25082), (12541, 16220)]