20982516

素因数分解:

$2^2\times 3^1\times {\mathrm{223}}^1\times {\mathrm{7841}}^1$

素因数の和:8071

約数の個数: 24

約数和(自身を含む): 49185024

約数和(自身を除く): 28202508

約数列:

[1, 2, 3, 4, 6, 12, 223, 446, 669, 892, 1338, 2676, 7841, 15682, 23523, 31364, 47046, 94092, 1748543, 3497086, 5245629, 6994172, 10491258, 20982516]

約数ペア:

[(1, 20982516), (2, 10491258), (3, 6994172), (4, 5245629), (6, 3497086), (12, 1748543), (223, 94092), (446, 47046), (669, 31364), (892, 23523), (1338, 15682), (2676, 7841)]