20733138741

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1097}}^1\times {\mathrm{16981}}^1$

素因数の和:18141

約数の個数: 32

約数和(自身を含む): 32220695808

約数和(自身を除く): 11487557067

約数列:

[1, 3, 7, 21, 53, 159, 371, 1097, 1113, 3291, 7679, 16981, 23037, 50943, 58141, 118867, 174423, 356601, 406987, 899993, 1220961, 2699979, 6299951, 18628157, 18899853, 55884471, 130397099, 391191297, 987292321, 2961876963, 6911046247, 20733138741]

約数ペア:

[(1, 20733138741), (3, 6911046247), (7, 2961876963), (21, 987292321), (53, 391191297), (159, 130397099), (371, 55884471), (1097, 18899853), (1113, 18628157), (3291, 6299951), (7679, 2699979), (16981, 1220961), (23037, 899993), (50943, 406987), (58141, 356601), (118867, 174423)]