20813672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{236519}}^1$

素因数の和:236536

約数の個数: 16

約数和(自身を含む): 42573600

約数和(自身を除く): 21759928

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 236519, 473038, 946076, 1892152, 2601709, 5203418, 10406836, 20813672]

約数ペア:

[(1, 20813672), (2, 10406836), (4, 5203418), (8, 2601709), (11, 1892152), (22, 946076), (44, 473038), (88, 236519)]