16211020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115793}}^1$

素因数の和:115809

約数の個数: 24

約数和(自身を含む): 38906784

約数和(自身を除く): 22695764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115793, 231586, 463172, 578965, 810551, 1157930, 1621102, 2315860, 3242204, 4052755, 8105510, 16211020]

約数ペア:

[(1, 16211020), (2, 8105510), (4, 4052755), (5, 3242204), (7, 2315860), (10, 1621102), (14, 1157930), (20, 810551), (28, 578965), (35, 463172), (70, 231586), (140, 115793)]