20566161

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{503}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 17173359

約数列:

[1, 3, 7, 9, 11, 21, 33, 59, 63, 77, 99, 177, 231, 413, 503, 531, 649, 693, 1239, 1509, 1947, 3521, 3717, 4527, 4543, 5533, 5841, 10563, 13629, 16599, 29677, 31689, 38731, 40887, 49797, 89031, 116193, 207739, 267093, 326447, 348579, 623217, 979341, 1869651, 2285129, 2938023, 6855387, 20566161]

約数ペア:

[(1, 20566161), (3, 6855387), (7, 2938023), (9, 2285129), (11, 1869651), (21, 979341), (33, 623217), (59, 348579), (63, 326447), (77, 267093), (99, 207739), (177, 116193), (231, 89031), (413, 49797), (503, 40887), (531, 38731), (649, 31689), (693, 29677), (1239, 16599), (1509, 13629), (1947, 10563), (3521, 5841), (3717, 5533), (4527, 4543)]