20402048

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8389}}^1$

素因数の和:8422

約数の個数: 32

約数和(自身を含む): 42789000

約数和(自身を除く): 22386952

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8389, 16778, 33556, 67112, 134224, 159391, 268448, 318782, 536896, 637564, 1073792, 1275128, 2550256, 5100512, 10201024, 20402048]

約数ペア:

[(1, 20402048), (2, 10201024), (4, 5100512), (8, 2550256), (16, 1275128), (19, 1073792), (32, 637564), (38, 536896), (64, 318782), (76, 268448), (128, 159391), (152, 134224), (304, 67112), (608, 33556), (1216, 16778), (2432, 8389)]