20425839

素因数分解:

$3^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1657}}^1$

素因数の和:2254

約数の個数: 16

約数和(自身を含む): 31196928

約数和(自身を除く): 10771089

約数列:

[1, 3, 7, 21, 587, 1657, 1761, 4109, 4971, 11599, 12327, 34797, 972659, 2917977, 6808613, 20425839]

約数ペア:

[(1, 20425839), (3, 6808613), (7, 2917977), (21, 972659), (587, 34797), (1657, 12327), (1761, 11599), (4109, 4971)]