20808942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 52683264

約数和(自身を除く): 31874322

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 73, 77, 146, 154, 219, 231, 438, 462, 511, 617, 803, 1022, 1234, 1533, 1606, 1851, 2409, 3066, 3702, 4319, 4818, 5621, 6787, 8638, 11242, 12957, 13574, 16863, 20361, 25914, 33726, 40722, 45041, 47509, 90082, 95018, 135123, 142527, 270246, 285054, 315287, 495451, 630574, 945861, 990902, 1486353, 1891722, 2972706, 3468157, 6936314, 10404471, 20808942]

約数ペア:

[(1, 20808942), (2, 10404471), (3, 6936314), (6, 3468157), (7, 2972706), (11, 1891722), (14, 1486353), (21, 990902), (22, 945861), (33, 630574), (42, 495451), (66, 315287), (73, 285054), (77, 270246), (146, 142527), (154, 135123), (219, 95018), (231, 90082), (438, 47509), (462, 45041), (511, 40722), (617, 33726), (803, 25914), (1022, 20361), (1234, 16863), (1533, 13574), (1606, 12957), (1851, 11242), (2409, 8638), (3066, 6787), (3702, 5621), (4319, 4818)]