20475973

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 25805952

約数和(自身を除く): 5329979

約数列:

[1, 7, 17, 47, 49, 119, 329, 523, 799, 833, 2303, 3661, 5593, 8891, 24581, 25627, 39151, 62237, 172067, 417877, 435659, 1204469, 2925139, 20475973]

約数ペア:

[(1, 20475973), (7, 2925139), (17, 1204469), (47, 435659), (49, 417877), (119, 172067), (329, 62237), (523, 39151), (799, 25627), (833, 24581), (2303, 8891), (3661, 5593)]