20925303

素因数分解:

$3^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{503}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 32635008

約数和(自身を除く): 11709705

約数列:

[1, 3, 7, 21, 49, 147, 283, 503, 849, 1509, 1981, 3521, 5943, 10563, 13867, 24647, 41601, 73941, 142349, 427047, 996443, 2989329, 6975101, 20925303]

約数ペア:

[(1, 20925303), (3, 6975101), (7, 2989329), (21, 996443), (49, 427047), (147, 142349), (283, 73941), (503, 41601), (849, 24647), (1509, 13867), (1981, 10563), (3521, 5943)]