20786836

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 24089324

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 953, 1148, 1558, 1906, 3116, 3812, 5453, 6671, 10906, 13342, 18107, 21812, 26684, 36214, 39073, 72428, 78146, 126749, 156292, 253498, 273511, 506996, 547022, 742387, 1094044, 1484774, 2969548, 5196709, 10393418, 20786836]

約数ペア:

[(1, 20786836), (2, 10393418), (4, 5196709), (7, 2969548), (14, 1484774), (19, 1094044), (28, 742387), (38, 547022), (41, 506996), (76, 273511), (82, 253498), (133, 156292), (164, 126749), (266, 78146), (287, 72428), (532, 39073), (574, 36214), (779, 26684), (953, 21812), (1148, 18107), (1558, 13342), (1906, 10906), (3116, 6671), (3812, 5453)]