20634648

素因数分解:

$2^3\times 3^1\times {\mathrm{499}}^1\times {\mathrm{1723}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 51720000

約数和(自身を除く): 31085352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 499, 998, 1497, 1723, 1996, 2994, 3446, 3992, 5169, 5988, 6892, 10338, 11976, 13784, 20676, 41352, 859777, 1719554, 2579331, 3439108, 5158662, 6878216, 10317324, 20634648]

約数ペア:

[(1, 20634648), (2, 10317324), (3, 6878216), (4, 5158662), (6, 3439108), (8, 2579331), (12, 1719554), (24, 859777), (499, 41352), (998, 20676), (1497, 13784), (1723, 11976), (1996, 10338), (2994, 6892), (3446, 5988), (3992, 5169)]