20743828

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20023}}^1$

素因数の和:20071

約数の個数: 24

約数和(自身を含む): 42611072

約数和(自身を除く): 21867244

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20023, 40046, 80092, 140161, 280322, 560644, 740851, 1481702, 2963404, 5185957, 10371914, 20743828]

約数ペア:

[(1, 20743828), (2, 10371914), (4, 5185957), (7, 2963404), (14, 1481702), (28, 740851), (37, 560644), (74, 280322), (148, 140161), (259, 80092), (518, 40046), (1036, 20023)]