20953060479

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19898443}}^1$

素因数の和:19898468

約数の個数: 20

約数和(自身を含む): 33707964136

約数和(自身を除く): 12754903657

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19898443, 59695329, 179085987, 258679759, 537257961, 776039277, 1611773883, 2328117831, 6984353493, 20953060479]

約数ペア:

[(1, 20953060479), (3, 6984353493), (9, 2328117831), (13, 1611773883), (27, 776039277), (39, 537257961), (81, 258679759), (117, 179085987), (351, 59695329), (1053, 19898443)]