20165286879

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5296897}}^1$

素因数の和:5296956

約数の個数: 20

約数和(自身を含む): 30764383584

約数和(自身を除く): 10599096705

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5296897, 15890691, 47672073, 143016219, 248954159, 429048657, 746862477, 2240587431, 6721762293, 20165286879]

約数ペア:

[(1, 20165286879), (3, 6721762293), (9, 2240587431), (27, 746862477), (47, 429048657), (81, 248954159), (141, 143016219), (423, 47672073), (1269, 15890691), (3807, 5296897)]