20794326

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70729}}^1$

素因数の和:70748

約数の個数: 24

約数和(自身を含む): 48379320

約数和(自身を除く): 27584994

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70729, 141458, 212187, 424374, 495103, 990206, 1485309, 2970618, 3465721, 6931442, 10397163, 20794326]

約数ペア:

[(1, 20794326), (2, 10397163), (3, 6931442), (6, 3465721), (7, 2970618), (14, 1485309), (21, 990206), (42, 495103), (49, 424374), (98, 212187), (147, 141458), (294, 70729)]