20189636864

素因数分解:

$2^8\times {\mathrm{73}}^1\times {\mathrm{1080353}}^1$

素因数の和:1080442

約数の個数: 36

約数和(自身を含む): 40852506156

約数和(自身を除く): 20662869292

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 256, 292, 584, 1168, 2336, 4672, 9344, 18688, 1080353, 2160706, 4321412, 8642824, 17285648, 34571296, 69142592, 78865769, 138285184, 157731538, 276570368, 315463076, 630926152, 1261852304, 2523704608, 5047409216, 10094818432, 20189636864]

約数ペア:

[(1, 20189636864), (2, 10094818432), (4, 5047409216), (8, 2523704608), (16, 1261852304), (32, 630926152), (64, 315463076), (73, 276570368), (128, 157731538), (146, 138285184), (256, 78865769), (292, 69142592), (584, 34571296), (1168, 17285648), (2336, 8642824), (4672, 4321412), (9344, 2160706), (18688, 1080353)]