20138441379

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4012441}}^1$

素因数の和:4012690

約数の個数: 16

約数和(自身を含む): 30815554560

約数和(自身を除く): 10677113181

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 4012441, 12037323, 28087087, 84261261, 958973399, 2876920197, 6712813793, 20138441379]

約数ペア:

[(1, 20138441379), (3, 6712813793), (7, 2876920197), (21, 958973399), (239, 84261261), (717, 28087087), (1673, 12037323), (5019, 4012441)]