20657048

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 40338000

約数和(自身を除く): 19680952

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 269, 331, 538, 662, 1076, 1324, 2152, 2648, 7801, 9599, 15602, 19198, 31204, 38396, 62408, 76792, 89039, 178078, 356156, 712312, 2582131, 5164262, 10328524, 20657048]

約数ペア:

[(1, 20657048), (2, 10328524), (4, 5164262), (8, 2582131), (29, 712312), (58, 356156), (116, 178078), (232, 89039), (269, 76792), (331, 62408), (538, 38396), (662, 31204), (1076, 19198), (1324, 15602), (2152, 9599), (2648, 7801)]