20204754

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 41969664

約数和(自身を除く): 21764910

約数列:

[1, 2, 3, 6, 43, 71, 86, 129, 142, 213, 258, 426, 1103, 2206, 3053, 3309, 6106, 6618, 9159, 18318, 47429, 78313, 94858, 142287, 156626, 234939, 284574, 469878, 3367459, 6734918, 10102377, 20204754]

約数ペア:

[(1, 20204754), (2, 10102377), (3, 6734918), (6, 3367459), (43, 469878), (71, 284574), (86, 234939), (129, 156626), (142, 142287), (213, 94858), (258, 78313), (426, 47429), (1103, 18318), (2206, 9159), (3053, 6618), (3309, 6106)]