20178834711

素因数分解:

$3^1\times 7^1\times {\mathrm{12959}}^1\times {\mathrm{74149}}^1$

素因数の和:87118

約数の個数: 16

約数和(自身を含む): 30751488000

約数和(自身を除く): 10572653289

約数列:

[1, 3, 7, 21, 12959, 38877, 74149, 90713, 222447, 272139, 519043, 1557129, 960896891, 2882690673, 6726278237, 20178834711]

約数ペア:

[(1, 20178834711), (3, 6726278237), (7, 2882690673), (21, 960896891), (12959, 1557129), (38877, 519043), (74149, 272139), (90713, 222447)]