20249590

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4951}}^1$

素因数の和:5367

約数の個数: 16

約数和(自身を含む): 36545760

約数和(自身を除く): 16296170

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4951, 9902, 24755, 49510, 2024959, 4049918, 10124795, 20249590]

約数ペア:

[(1, 20249590), (2, 10124795), (5, 4049918), (10, 2024959), (409, 49510), (818, 24755), (2045, 9902), (4090, 4951)]