20699766

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5399}}^1$

素因数の和:5481

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 25956234

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 5399, 10798, 16197, 32394, 48591, 97182, 145773, 291546, 383329, 766658, 1149987, 2299974, 3449961, 6899922, 10349883, 20699766]

約数ペア:

[(1, 20699766), (2, 10349883), (3, 6899922), (6, 3449961), (9, 2299974), (18, 1149987), (27, 766658), (54, 383329), (71, 291546), (142, 145773), (213, 97182), (426, 48591), (639, 32394), (1278, 16197), (1917, 10798), (3834, 5399)]