2081020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 4438224

約数和(自身を除く): 2357204

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 1553, 3106, 6212, 7765, 15530, 31060, 104051, 208102, 416204, 520255, 1040510, 2081020]

約数ペア:

[(1, 2081020), (2, 1040510), (4, 520255), (5, 416204), (10, 208102), (20, 104051), (67, 31060), (134, 15530), (268, 7765), (335, 6212), (670, 3106), (1340, 1553)]