20798547

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14037933

約数列:

[1, 3, 7, 11, 21, 33, 77, 179, 231, 503, 537, 1253, 1509, 1969, 3521, 3759, 5533, 5907, 10563, 13783, 16599, 38731, 41349, 90037, 116193, 270111, 630259, 990407, 1890777, 2971221, 6932849, 20798547]

約数ペア:

[(1, 20798547), (3, 6932849), (7, 2971221), (11, 1890777), (21, 990407), (33, 630259), (77, 270111), (179, 116193), (231, 90037), (503, 41349), (537, 38731), (1253, 16599), (1509, 13783), (1969, 10563), (3521, 5907), (3759, 5533)]