20161475792

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{733}}^1\times {\mathrm{1823}}^1$

素因数の和:2628

約数の個数: 80

約数和(自身を含む): 41835322368

約数和(自身を除く): 21673846576

約数列:

[1, 2, 4, 8, 16, 23, 41, 46, 82, 92, 164, 184, 328, 368, 656, 733, 943, 1466, 1823, 1886, 2932, 3646, 3772, 5864, 7292, 7544, 11728, 14584, 15088, 16859, 29168, 30053, 33718, 41929, 60106, 67436, 74743, 83858, 120212, 134872, 149486, 167716, 240424, 269744, 298972, 335432, 480848, 597944, 670864, 691219, 1195888, 1336259, 1382438, 1719089, 2672518, 2764876, 3438178, 5345036, 5529752, 6876356, 10690072, 11059504, 13752712, 21380144, 27505424, 30733957, 54786619, 61467914, 109573238, 122935828, 219146476, 245871656, 438292952, 491743312, 876585904, 1260092237, 2520184474, 5040368948, 10080737896, 20161475792]

約数ペア:

[(1, 20161475792), (2, 10080737896), (4, 5040368948), (8, 2520184474), (16, 1260092237), (23, 876585904), (41, 491743312), (46, 438292952), (82, 245871656), (92, 219146476), (164, 122935828), (184, 109573238), (328, 61467914), (368, 54786619), (656, 30733957), (733, 27505424), (943, 21380144), (1466, 13752712), (1823, 11059504), (1886, 10690072), (2932, 6876356), (3646, 5529752), (3772, 5345036), (5864, 3438178), (7292, 2764876), (7544, 2672518), (11728, 1719089), (14584, 1382438), (15088, 1336259), (16859, 1195888), (29168, 691219), (30053, 670864), (33718, 597944), (41929, 480848), (60106, 335432), (67436, 298972), (74743, 269744), (83858, 240424), (120212, 167716), (134872, 149486)]