20163727818

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{120181}}^1$

素因数の和:120444

約数の個数: 64

約数和(自身を含む): 48457382400

約数和(自身を除く): 28293654582

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 239, 351, 478, 702, 717, 1434, 2151, 3107, 4302, 6214, 6453, 9321, 12906, 18642, 27963, 55926, 83889, 120181, 167778, 240362, 360543, 721086, 1081629, 1562353, 2163258, 3124706, 3244887, 4687059, 6489774, 9374118, 14061177, 28122354, 28723259, 42183531, 57446518, 84367062, 86169777, 172339554, 258509331, 373402367, 517018662, 746804734, 775527993, 1120207101, 1551055986, 2240414202, 3360621303, 6721242606, 10081863909, 20163727818]

約数ペア:

[(1, 20163727818), (2, 10081863909), (3, 6721242606), (6, 3360621303), (9, 2240414202), (13, 1551055986), (18, 1120207101), (26, 775527993), (27, 746804734), (39, 517018662), (54, 373402367), (78, 258509331), (117, 172339554), (234, 86169777), (239, 84367062), (351, 57446518), (478, 42183531), (702, 28723259), (717, 28122354), (1434, 14061177), (2151, 9374118), (3107, 6489774), (4302, 4687059), (6214, 3244887), (6453, 3124706), (9321, 2163258), (12906, 1562353), (18642, 1081629), (27963, 721086), (55926, 360543), (83889, 240362), (120181, 167778)]