20838288

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 57625280

約数和(自身を除く): 36786992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 73, 76, 114, 146, 152, 219, 228, 292, 304, 313, 438, 456, 584, 626, 876, 912, 939, 1168, 1252, 1387, 1752, 1878, 2504, 2774, 3504, 3756, 4161, 5008, 5548, 5947, 7512, 8322, 11096, 11894, 15024, 16644, 17841, 22192, 22849, 23788, 33288, 35682, 45698, 47576, 66576, 68547, 71364, 91396, 95152, 137094, 142728, 182792, 274188, 285456, 365584, 434131, 548376, 868262, 1096752, 1302393, 1736524, 2604786, 3473048, 5209572, 6946096, 10419144, 20838288]

約数ペア:

[(1, 20838288), (2, 10419144), (3, 6946096), (4, 5209572), (6, 3473048), (8, 2604786), (12, 1736524), (16, 1302393), (19, 1096752), (24, 868262), (38, 548376), (48, 434131), (57, 365584), (73, 285456), (76, 274188), (114, 182792), (146, 142728), (152, 137094), (219, 95152), (228, 91396), (292, 71364), (304, 68547), (313, 66576), (438, 47576), (456, 45698), (584, 35682), (626, 33288), (876, 23788), (912, 22849), (939, 22192), (1168, 17841), (1252, 16644), (1387, 15024), (1752, 11894), (1878, 11096), (2504, 8322), (2774, 7512), (3504, 5947), (3756, 5548), (4161, 5008)]