20792079

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 39214080

約数和(自身を除く): 18422001

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 73, 77, 99, 137, 189, 219, 231, 297, 411, 511, 657, 693, 803, 959, 1233, 1507, 1533, 1971, 2079, 2409, 2877, 3699, 4521, 4599, 5621, 7227, 8631, 10001, 10549, 13563, 13797, 16863, 21681, 25893, 30003, 31647, 40689, 50589, 70007, 90009, 94941, 110011, 151767, 210021, 270027, 284823, 330033, 630063, 770077, 990099, 1890189, 2310231, 2970297, 6930693, 20792079]

約数ペア:

[(1, 20792079), (3, 6930693), (7, 2970297), (9, 2310231), (11, 1890189), (21, 990099), (27, 770077), (33, 630063), (63, 330033), (73, 284823), (77, 270027), (99, 210021), (137, 151767), (189, 110011), (219, 94941), (231, 90009), (297, 70007), (411, 50589), (511, 40689), (657, 31647), (693, 30003), (803, 25893), (959, 21681), (1233, 16863), (1507, 13797), (1533, 13563), (1971, 10549), (2079, 10001), (2409, 8631), (2877, 7227), (3699, 5621), (4521, 4599)]