20725048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2311}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 41616000

約数和(自身を除く): 20890952

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 2311, 4484, 4622, 8968, 9244, 18488, 43909, 87818, 136349, 175636, 272698, 351272, 545396, 1090792, 2590631, 5181262, 10362524, 20725048]

約数ペア:

[(1, 20725048), (2, 10362524), (4, 5181262), (8, 2590631), (19, 1090792), (38, 545396), (59, 351272), (76, 272698), (118, 175636), (152, 136349), (236, 87818), (472, 43909), (1121, 18488), (2242, 9244), (2311, 8968), (4484, 4622)]