20180867828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1\times {\mathrm{28859}}^1$

素因数の和:29588

約数の個数: 48

約数和(自身を含む): 40261777920

約数和(自身を除く): 20080910092

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 691, 1012, 1382, 2764, 7601, 15202, 15893, 28859, 30404, 31786, 57718, 63572, 115436, 174823, 317449, 349646, 634898, 663757, 699292, 1269796, 1327514, 2655028, 7301327, 14602654, 19941569, 29205308, 39883138, 79766276, 219357259, 438714518, 458656087, 877429036, 917312174, 1834624348, 5045216957, 10090433914, 20180867828]

約数ペア:

[(1, 20180867828), (2, 10090433914), (4, 5045216957), (11, 1834624348), (22, 917312174), (23, 877429036), (44, 458656087), (46, 438714518), (92, 219357259), (253, 79766276), (506, 39883138), (691, 29205308), (1012, 19941569), (1382, 14602654), (2764, 7301327), (7601, 2655028), (15202, 1327514), (15893, 1269796), (28859, 699292), (30404, 663757), (31786, 634898), (57718, 349646), (63572, 317449), (115436, 174823)]