20163404340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2605091}}^1$

素因数の和:2605149

約数の個数: 72

約数和(自身を含む): 62584730208

約数和(自身を除く): 42421325868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 2605091, 5210182, 7815273, 10420364, 13025455, 15630546, 23445819, 26050910, 31261092, 39076365, 46891638, 52101820, 78152730, 93783276, 112018913, 117229095, 156305460, 224037826, 234458190, 336056739, 448075652, 468916380, 560094565, 672113478, 1008170217, 1120189130, 1344226956, 1680283695, 2016340434, 2240378260, 3360567390, 4032680868, 5040851085, 6721134780, 10081702170, 20163404340]

約数ペア:

[(1, 20163404340), (2, 10081702170), (3, 6721134780), (4, 5040851085), (5, 4032680868), (6, 3360567390), (9, 2240378260), (10, 2016340434), (12, 1680283695), (15, 1344226956), (18, 1120189130), (20, 1008170217), (30, 672113478), (36, 560094565), (43, 468916380), (45, 448075652), (60, 336056739), (86, 234458190), (90, 224037826), (129, 156305460), (172, 117229095), (180, 112018913), (215, 93783276), (258, 78152730), (387, 52101820), (430, 46891638), (516, 39076365), (645, 31261092), (774, 26050910), (860, 23445819), (1290, 15630546), (1548, 13025455), (1935, 10420364), (2580, 7815273), (3870, 5210182), (7740, 2605091)]