66322220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{21961}}^1$

素因数の和:22121

約数の個数: 24

約数和(自身を含む): 140205408

約数和(自身を除く): 73883188

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 21961, 43922, 87844, 109805, 219610, 439220, 3316111, 6632222, 13264444, 16580555, 33161110, 66322220]

約数ペア:

[(1, 66322220), (2, 33161110), (4, 16580555), (5, 13264444), (10, 6632222), (20, 3316111), (151, 439220), (302, 219610), (604, 109805), (755, 87844), (1510, 43922), (3020, 21961)]