84257020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{221729}}^1$

素因数の和:221757

約数の個数: 24

約数和(自身を含む): 186253200

約数和(自身を除く): 101996180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 221729, 443458, 886916, 1108645, 2217290, 4212851, 4434580, 8425702, 16851404, 21064255, 42128510, 84257020]

約数ペア:

[(1, 84257020), (2, 42128510), (4, 21064255), (5, 16851404), (10, 8425702), (19, 4434580), (20, 4212851), (38, 2217290), (76, 1108645), (95, 886916), (190, 443458), (380, 221729)]