20158842879

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1\times {\mathrm{12641}}^1$

素因数の和:14160

約数の個数: 48

約数和(自身を含む): 35262077760

約数和(自身を除く): 15103234881

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 1489, 4467, 10423, 12641, 13401, 25313, 31269, 37923, 75939, 88487, 93807, 113769, 177191, 214897, 227817, 265461, 531573, 644691, 796383, 1504279, 1594719, 1934073, 4512837, 13538511, 18822449, 56467347, 131757143, 169402041, 319981633, 395271429, 959944899, 1185814287, 2239871431, 2879834697, 6719614293, 20158842879]

約数ペア:

[(1, 20158842879), (3, 6719614293), (7, 2879834697), (9, 2239871431), (17, 1185814287), (21, 959944899), (51, 395271429), (63, 319981633), (119, 169402041), (153, 131757143), (357, 56467347), (1071, 18822449), (1489, 13538511), (4467, 4512837), (10423, 1934073), (12641, 1594719), (13401, 1504279), (25313, 796383), (31269, 644691), (37923, 531573), (75939, 265461), (88487, 227817), (93807, 214897), (113769, 177191)]