20187874

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 36896256

約数和(自身を除く): 16708382

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 271, 313, 542, 626, 1897, 2191, 3794, 4382, 4607, 5321, 9214, 10642, 32249, 37247, 64498, 74494, 84823, 169646, 593761, 1187522, 1441991, 2883982, 10093937, 20187874]

約数ペア:

[(1, 20187874), (2, 10093937), (7, 2883982), (14, 1441991), (17, 1187522), (34, 593761), (119, 169646), (238, 84823), (271, 74494), (313, 64498), (542, 37247), (626, 32249), (1897, 10642), (2191, 9214), (3794, 5321), (4382, 4607)]