20280950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9433}}^1$

素因数の和:9488

約数の個数: 24

約数和(自身を含む): 38603928

約数和(自身を除く): 18322978

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9433, 18866, 47165, 94330, 235825, 405619, 471650, 811238, 2028095, 4056190, 10140475, 20280950]

約数ペア:

[(1, 20280950), (2, 10140475), (5, 4056190), (10, 2028095), (25, 811238), (43, 471650), (50, 405619), (86, 235825), (215, 94330), (430, 47165), (1075, 18866), (2150, 9433)]