20008219077

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{21059}}^1$

素因数の和:21543

約数の個数: 64

約数和(自身を含む): 37038643200

約数和(自身を除く): 17030424123

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 457, 693, 1371, 2079, 3199, 4113, 5027, 9597, 12339, 15081, 21059, 28791, 35189, 45243, 63177, 86373, 105567, 135729, 147413, 189531, 231649, 316701, 442239, 568593, 694947, 950103, 1326717, 1621543, 2084841, 3980151, 4864629, 6254523, 9623963, 14593887, 28871889, 43781661, 67367741, 86615667, 105863593, 202103223, 259847001, 317590779, 606309669, 741045151, 952772337, 1818929007, 2223135453, 2858317011, 6669406359, 20008219077]

約数ペア:

[(1, 20008219077), (3, 6669406359), (7, 2858317011), (9, 2223135453), (11, 1818929007), (21, 952772337), (27, 741045151), (33, 606309669), (63, 317590779), (77, 259847001), (99, 202103223), (189, 105863593), (231, 86615667), (297, 67367741), (457, 43781661), (693, 28871889), (1371, 14593887), (2079, 9623963), (3199, 6254523), (4113, 4864629), (5027, 3980151), (9597, 2084841), (12339, 1621543), (15081, 1326717), (21059, 950103), (28791, 694947), (35189, 568593), (45243, 442239), (63177, 316701), (86373, 231649), (105567, 189531), (135729, 147413)]