20101088

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4723}}^1$

素因数の和:4759

約数の個数: 48

約数和(自身を含む): 47617920

約数和(自身を除く): 27516832

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 4723, 9446, 18892, 33061, 37784, 66122, 75568, 89737, 132244, 151136, 179474, 264488, 358948, 528976, 628159, 717896, 1057952, 1256318, 1435792, 2512636, 2871584, 5025272, 10050544, 20101088]

約数ペア:

[(1, 20101088), (2, 10050544), (4, 5025272), (7, 2871584), (8, 2512636), (14, 1435792), (16, 1256318), (19, 1057952), (28, 717896), (32, 628159), (38, 528976), (56, 358948), (76, 264488), (112, 179474), (133, 151136), (152, 132244), (224, 89737), (266, 75568), (304, 66122), (532, 37784), (608, 33061), (1064, 18892), (2128, 9446), (4256, 4723)]