20569542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1259}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 26604858

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 389, 778, 1167, 1259, 2334, 2518, 2723, 3777, 5446, 7554, 8169, 8813, 16338, 17626, 26439, 52878, 489751, 979502, 1469253, 2938506, 3428257, 6856514, 10284771, 20569542]

約数ペア:

[(1, 20569542), (2, 10284771), (3, 6856514), (6, 3428257), (7, 2938506), (14, 1469253), (21, 979502), (42, 489751), (389, 52878), (778, 26439), (1167, 17626), (1259, 16338), (2334, 8813), (2518, 8169), (2723, 7554), (3777, 5446)]