20345754

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1$

素因数の和:1083

約数の個数: 64

約数和(自身を含む): 49932288

約数和(自身を除く): 29586534

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 78, 138, 143, 253, 286, 299, 429, 506, 598, 759, 858, 897, 1031, 1518, 1794, 2062, 3093, 3289, 6186, 6578, 9867, 11341, 13403, 19734, 22682, 23713, 26806, 34023, 40209, 47426, 68046, 71139, 80418, 142278, 147433, 260843, 294866, 308269, 442299, 521686, 616538, 782529, 884598, 924807, 1565058, 1849614, 3390959, 6781918, 10172877, 20345754]

約数ペア:

[(1, 20345754), (2, 10172877), (3, 6781918), (6, 3390959), (11, 1849614), (13, 1565058), (22, 924807), (23, 884598), (26, 782529), (33, 616538), (39, 521686), (46, 442299), (66, 308269), (69, 294866), (78, 260843), (138, 147433), (143, 142278), (253, 80418), (286, 71139), (299, 68046), (429, 47426), (506, 40209), (598, 34023), (759, 26806), (858, 23713), (897, 22682), (1031, 19734), (1518, 13403), (1794, 11341), (2062, 9867), (3093, 6578), (3289, 6186)]