20202357

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 32544000

約数和(自身を除く): 12341643

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 609, 677, 1029, 1421, 2031, 4263, 4739, 9947, 14217, 19633, 29841, 33173, 58899, 99519, 137431, 232211, 412293, 696633, 962017, 2886051, 6734119, 20202357]

約数ペア:

[(1, 20202357), (3, 6734119), (7, 2886051), (21, 962017), (29, 696633), (49, 412293), (87, 232211), (147, 137431), (203, 99519), (343, 58899), (609, 33173), (677, 29841), (1029, 19633), (1421, 14217), (2031, 9947), (4263, 4739)]