19906440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165887}}^1$

素因数の和:165901

約数の個数: 32

約数和(自身を含む): 59719680

約数和(自身を除く): 39813240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165887, 331774, 497661, 663548, 829435, 995322, 1327096, 1658870, 1990644, 2488305, 3317740, 3981288, 4976610, 6635480, 9953220, 19906440]

約数ペア:

[(1, 19906440), (2, 9953220), (3, 6635480), (4, 4976610), (5, 3981288), (6, 3317740), (8, 2488305), (10, 1990644), (12, 1658870), (15, 1327096), (20, 995322), (24, 829435), (30, 663548), (40, 497661), (60, 331774), (120, 165887)]