20715776

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4259}}^1$

素因数の和:4294

約数の個数: 36

約数和(自身を含む): 43537200

約数和(自身を除く): 22821424

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4259, 4864, 8518, 17036, 34072, 68144, 80921, 136288, 161842, 272576, 323684, 545152, 647368, 1090304, 1294736, 2589472, 5178944, 10357888, 20715776]

約数ペア:

[(1, 20715776), (2, 10357888), (4, 5178944), (8, 2589472), (16, 1294736), (19, 1090304), (32, 647368), (38, 545152), (64, 323684), (76, 272576), (128, 161842), (152, 136288), (256, 80921), (304, 68144), (608, 34072), (1216, 17036), (2432, 8518), (4259, 4864)]