20808614912

素因数分解:

$2^{10}\times {\mathrm{20320913}}^1$

素因数の和:20320933

約数の個数: 22

約数和(自身を含む): 41596910958

約数和(自身を除く): 20788296046

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20320913, 40641826, 81283652, 162567304, 325134608, 650269216, 1300538432, 2601076864, 5202153728, 10404307456, 20808614912]

約数ペア:

[(1, 20808614912), (2, 10404307456), (4, 5202153728), (8, 2601076864), (16, 1300538432), (32, 650269216), (64, 325134608), (128, 162567304), (256, 81283652), (512, 40641826), (1024, 20320913)]