20163668

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19463}}^1$

素因数の和:19511

約数の個数: 24

約数和(自身を含む): 41419392

約数和(自身を除く): 21255724

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19463, 38926, 77852, 136241, 272482, 544964, 720131, 1440262, 2880524, 5040917, 10081834, 20163668]

約数ペア:

[(1, 20163668), (2, 10081834), (4, 5040917), (7, 2880524), (14, 1440262), (28, 720131), (37, 544964), (74, 272482), (148, 136241), (259, 77852), (518, 38926), (1036, 19463)]