20389734

素因数分解:

$2^1\times 3^2\times {\mathrm{251}}^1\times {\mathrm{4513}}^1$

素因数の和:4772

約数の個数: 24

約数和(自身を含む): 44363592

約数和(自身を除く): 23973858

約数列:

[1, 2, 3, 6, 9, 18, 251, 502, 753, 1506, 2259, 4513, 4518, 9026, 13539, 27078, 40617, 81234, 1132763, 2265526, 3398289, 6796578, 10194867, 20389734]

約数ペア:

[(1, 20389734), (2, 10194867), (3, 6796578), (6, 3398289), (9, 2265526), (18, 1132763), (251, 81234), (502, 40617), (753, 27078), (1506, 13539), (2259, 9026), (4513, 4518)]