20170409441

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1223}}^1\times {\mathrm{1523}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 26794260864

約数和(自身を除く): 6623851423

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1223, 1523, 1547, 8561, 10661, 10829, 15899, 19799, 20791, 25891, 59927, 74627, 111293, 138593, 145537, 181237, 270283, 336583, 779051, 970151, 1018759, 1268659, 1862629, 1891981, 2356081, 13038403, 13243867, 16492567, 24214177, 31664693, 91268821, 169499239, 221652851, 411641009, 1186494673, 1551569957, 2881487063, 20170409441]

約数ペア:

[(1, 20170409441), (7, 2881487063), (13, 1551569957), (17, 1186494673), (49, 411641009), (91, 221652851), (119, 169499239), (221, 91268821), (637, 31664693), (833, 24214177), (1223, 16492567), (1523, 13243867), (1547, 13038403), (8561, 2356081), (10661, 1891981), (10829, 1862629), (15899, 1268659), (19799, 1018759), (20791, 970151), (25891, 779051), (59927, 336583), (74627, 270283), (111293, 181237), (138593, 145537)]