2029180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 4324320

約数和(自身を除く): 2295140

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1429, 2858, 5716, 7145, 14290, 28580, 101459, 202918, 405836, 507295, 1014590, 2029180]

約数ペア:

[(1, 2029180), (2, 1014590), (4, 507295), (5, 405836), (10, 202918), (20, 101459), (71, 28580), (142, 14290), (284, 7145), (355, 5716), (710, 2858), (1420, 1429)]