20172683052

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{178513}}^1$

素因数の和:178639

約数の個数: 72

約数和(自身を含む): 52892984144

約数和(自身を除く): 32720301092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 73, 86, 129, 146, 172, 219, 258, 292, 387, 438, 516, 657, 774, 876, 1314, 1548, 2628, 3139, 6278, 9417, 12556, 18834, 28251, 37668, 56502, 113004, 178513, 357026, 535539, 714052, 1071078, 1606617, 2142156, 3213234, 6426468, 7676059, 13031449, 15352118, 23028177, 26062898, 30704236, 39094347, 46056354, 52125796, 69084531, 78188694, 92112708, 117283041, 138169062, 156377388, 234566082, 276338124, 469132164, 560352307, 1120704614, 1681056921, 2241409228, 3362113842, 5043170763, 6724227684, 10086341526, 20172683052]

約数ペア:

[(1, 20172683052), (2, 10086341526), (3, 6724227684), (4, 5043170763), (6, 3362113842), (9, 2241409228), (12, 1681056921), (18, 1120704614), (36, 560352307), (43, 469132164), (73, 276338124), (86, 234566082), (129, 156377388), (146, 138169062), (172, 117283041), (219, 92112708), (258, 78188694), (292, 69084531), (387, 52125796), (438, 46056354), (516, 39094347), (657, 30704236), (774, 26062898), (876, 23028177), (1314, 15352118), (1548, 13031449), (2628, 7676059), (3139, 6426468), (6278, 3213234), (9417, 2142156), (12556, 1606617), (18834, 1071078), (28251, 714052), (37668, 535539), (56502, 357026), (113004, 178513)]