16804580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64633}}^1$

素因数の和:64655

約数の個数: 24

約数和(自身を含む): 38004792

約数和(自身を除く): 21200212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64633, 129266, 258532, 323165, 646330, 840229, 1292660, 1680458, 3360916, 4201145, 8402290, 16804580]

約数ペア:

[(1, 16804580), (2, 8402290), (4, 4201145), (5, 3360916), (10, 1680458), (13, 1292660), (20, 840229), (26, 646330), (52, 323165), (65, 258532), (130, 129266), (260, 64633)]