20626550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8419}}^1$

素因数の和:8445

約数の個数: 36

約数和(自身を含む): 44634420

約数和(自身を除く): 24007870

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8419, 16838, 42095, 58933, 84190, 117866, 210475, 294665, 412531, 420950, 589330, 825062, 1473325, 2062655, 2946650, 4125310, 10313275, 20626550]

約数ペア:

[(1, 20626550), (2, 10313275), (5, 4125310), (7, 2946650), (10, 2062655), (14, 1473325), (25, 825062), (35, 589330), (49, 420950), (50, 412531), (70, 294665), (98, 210475), (175, 117866), (245, 84190), (350, 58933), (490, 42095), (1225, 16838), (2450, 8419)]