1661020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1567}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 3556224

約数和(自身を除く): 1895204

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1567, 3134, 6268, 7835, 15670, 31340, 83051, 166102, 332204, 415255, 830510, 1661020]

約数ペア:

[(1, 1661020), (2, 830510), (4, 415255), (5, 332204), (10, 166102), (20, 83051), (53, 31340), (106, 15670), (212, 7835), (265, 6268), (530, 3134), (1060, 1567)]