20817152

素因数分解:

$2^8\times {\mathrm{233}}^1\times {\mathrm{349}}^1$

素因数の和:598

約数の個数: 36

約数和(自身を含む): 41850900

約数和(自身を除く): 21033748

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 233, 256, 349, 466, 698, 932, 1396, 1864, 2792, 3728, 5584, 7456, 11168, 14912, 22336, 29824, 44672, 59648, 81317, 89344, 162634, 325268, 650536, 1301072, 2602144, 5204288, 10408576, 20817152]

約数ペア:

[(1, 20817152), (2, 10408576), (4, 5204288), (8, 2602144), (16, 1301072), (32, 650536), (64, 325268), (128, 162634), (233, 89344), (256, 81317), (349, 59648), (466, 44672), (698, 29824), (932, 22336), (1396, 14912), (1864, 11168), (2792, 7456), (3728, 5584)]