20429031

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4483}}^1$

素因数の和:4531

約数の個数: 24

約数和(自身を含む): 32715264

約数和(自身を除く): 12286233

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4483, 4557, 13449, 31381, 94143, 138973, 219667, 416919, 659001, 972811, 2918433, 6809677, 20429031]

約数ペア:

[(1, 20429031), (3, 6809677), (7, 2918433), (21, 972811), (31, 659001), (49, 416919), (93, 219667), (147, 138973), (217, 94143), (651, 31381), (1519, 13449), (4483, 4557)]