20439732

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{719}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 29879628

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 103, 138, 206, 276, 309, 412, 618, 719, 1236, 1438, 2157, 2369, 2876, 4314, 4738, 7107, 8628, 9476, 14214, 16537, 28428, 33074, 49611, 66148, 74057, 99222, 148114, 198444, 222171, 296228, 444342, 888684, 1703311, 3406622, 5109933, 6813244, 10219866, 20439732]

約数ペア:

[(1, 20439732), (2, 10219866), (3, 6813244), (4, 5109933), (6, 3406622), (12, 1703311), (23, 888684), (46, 444342), (69, 296228), (92, 222171), (103, 198444), (138, 148114), (206, 99222), (276, 74057), (309, 66148), (412, 49611), (618, 33074), (719, 28428), (1236, 16537), (1438, 14214), (2157, 9476), (2369, 8628), (2876, 7107), (4314, 4738)]