20626340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147331}}^1$

素因数の和:147347

約数の個数: 24

約数和(自身を含む): 49503552

約数和(自身を除く): 28877212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147331, 294662, 589324, 736655, 1031317, 1473310, 2062634, 2946620, 4125268, 5156585, 10313170, 20626340]

約数ペア:

[(1, 20626340), (2, 10313170), (4, 5156585), (5, 4125268), (7, 2946620), (10, 2062634), (14, 1473310), (20, 1031317), (28, 736655), (35, 589324), (70, 294662), (140, 147331)]