20145880140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2450837}}^1$

素因数の和:2450986

約数の個数: 48

約数和(自身を含む): 56820228192

約数和(自身を除く): 36674348052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2740, 4110, 8220, 2450837, 4901674, 7352511, 9803348, 12254185, 14705022, 24508370, 29410044, 36762555, 49016740, 73525110, 147050220, 335764669, 671529338, 1007294007, 1343058676, 1678823345, 2014588014, 3357646690, 4029176028, 5036470035, 6715293380, 10072940070, 20145880140]

約数ペア:

[(1, 20145880140), (2, 10072940070), (3, 6715293380), (4, 5036470035), (5, 4029176028), (6, 3357646690), (10, 2014588014), (12, 1678823345), (15, 1343058676), (20, 1007294007), (30, 671529338), (60, 335764669), (137, 147050220), (274, 73525110), (411, 49016740), (548, 36762555), (685, 29410044), (822, 24508370), (1370, 14705022), (1644, 12254185), (2055, 9803348), (2740, 7352511), (4110, 4901674), (8220, 2450837)]