20075240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12241}}^1$

素因数の和:12293

約数の個数: 32

約数和(自身を含む): 46274760

約数和(自身を除く): 26199520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12241, 24482, 48964, 61205, 97928, 122410, 244820, 489640, 501881, 1003762, 2007524, 2509405, 4015048, 5018810, 10037620, 20075240]

約数ペア:

[(1, 20075240), (2, 10037620), (4, 5018810), (5, 4015048), (8, 2509405), (10, 2007524), (20, 1003762), (40, 501881), (41, 489640), (82, 244820), (164, 122410), (205, 97928), (328, 61205), (410, 48964), (820, 24482), (1640, 12241)]