2020971519

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{105871}}^1$

素因数の和:105988

約数の個数: 32

約数和(自身を含む): 3455662080

約数和(自身を除く): 1434690561

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 2121, 2727, 6363, 19089, 105871, 317613, 741097, 952839, 2223291, 2858517, 6669873, 10692971, 20009619, 32078913, 74850797, 96236739, 224552391, 288710217, 673657173, 2020971519]

約数ペア:

[(1, 2020971519), (3, 673657173), (7, 288710217), (9, 224552391), (21, 96236739), (27, 74850797), (63, 32078913), (101, 20009619), (189, 10692971), (303, 6669873), (707, 2858517), (909, 2223291), (2121, 952839), (2727, 741097), (6363, 317613), (19089, 105871)]