20471260

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2789}}^1$

素因数の和:3165

約数の個数: 24

約数和(自身を含む): 43122240

約数和(自身を除く): 22650980

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2789, 3670, 5578, 7340, 11156, 13945, 27890, 55780, 1023563, 2047126, 4094252, 5117815, 10235630, 20471260]

約数ペア:

[(1, 20471260), (2, 10235630), (4, 5117815), (5, 4094252), (10, 2047126), (20, 1023563), (367, 55780), (734, 27890), (1468, 13945), (1835, 11156), (2789, 7340), (3670, 5578)]