221520020

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{73351}}^1$

素因数の和:73511

約数の個数: 24

約数和(自身を含む): 468279168

約数和(自身を除く): 246759148

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 73351, 146702, 293404, 366755, 733510, 1467020, 11076001, 22152002, 44304004, 55380005, 110760010, 221520020]

約数ペア:

[(1, 221520020), (2, 110760010), (4, 55380005), (5, 44304004), (10, 22152002), (20, 11076001), (151, 1467020), (302, 733510), (604, 366755), (755, 293404), (1510, 146702), (3020, 73351)]