20144180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7573}}^1$

素因数の和:7608

約数の個数: 48

約数和(自身を含む): 50897280

約数和(自身を除く): 30753100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7573, 15146, 30292, 37865, 53011, 75730, 106022, 143887, 151460, 212044, 265055, 287774, 530110, 575548, 719435, 1007209, 1060220, 1438870, 2014418, 2877740, 4028836, 5036045, 10072090, 20144180]

約数ペア:

[(1, 20144180), (2, 10072090), (4, 5036045), (5, 4028836), (7, 2877740), (10, 2014418), (14, 1438870), (19, 1060220), (20, 1007209), (28, 719435), (35, 575548), (38, 530110), (70, 287774), (76, 265055), (95, 212044), (133, 151460), (140, 143887), (190, 106022), (266, 75730), (380, 53011), (532, 37865), (665, 30292), (1330, 15146), (2660, 7573)]