20189790794908

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{43403597}}^1$

素因数の和:43404094

約数の個数: 48

約数和(自身を含む): 41563285444800

約数和(自身を除く): 21373494649892

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 449, 518, 898, 1036, 1796, 3143, 6286, 12572, 16613, 33226, 66452, 116291, 232582, 465164, 43403597, 86807194, 173614388, 303825179, 607650358, 1215300716, 1605933089, 3211866178, 6423732356, 11241531623, 19488215053, 22483063246, 38976430106, 44966126492, 77952860212, 136417505371, 272835010742, 545670021484, 721063956961, 1442127913922, 2884255827844, 5047447698727, 10094895397454, 20189790794908]

約数ペア:

[(1, 20189790794908), (2, 10094895397454), (4, 5047447698727), (7, 2884255827844), (14, 1442127913922), (28, 721063956961), (37, 545670021484), (74, 272835010742), (148, 136417505371), (259, 77952860212), (449, 44966126492), (518, 38976430106), (898, 22483063246), (1036, 19488215053), (1796, 11241531623), (3143, 6423732356), (6286, 3211866178), (12572, 1605933089), (16613, 1215300716), (33226, 607650358), (66452, 303825179), (116291, 173614388), (232582, 86807194), (465164, 43403597)]