20761874

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 16009966

約数列:

[1, 2, 7, 14, 47, 94, 139, 227, 278, 329, 454, 658, 973, 1589, 1946, 3178, 6533, 10669, 13066, 21338, 31553, 45731, 63106, 74683, 91462, 149366, 220871, 441742, 1482991, 2965982, 10380937, 20761874]

約数ペア:

[(1, 20761874), (2, 10380937), (7, 2965982), (14, 1482991), (47, 441742), (94, 220871), (139, 149366), (227, 91462), (278, 74683), (329, 63106), (454, 45731), (658, 31553), (973, 21338), (1589, 13066), (1946, 10669), (3178, 6533)]