20625010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6269}}^1$

素因数の和:6330

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22713230

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6269, 12538, 31345, 43883, 62690, 87766, 219415, 294643, 438830, 589286, 1473215, 2062501, 2946430, 4125002, 10312505, 20625010]

約数ペア:

[(1, 20625010), (2, 10312505), (5, 4125002), (7, 2946430), (10, 2062501), (14, 1473215), (35, 589286), (47, 438830), (70, 294643), (94, 219415), (235, 87766), (329, 62690), (470, 43883), (658, 31345), (1645, 12538), (3290, 6269)]