20786610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53299}}^1$

素因数の和:53322

約数の個数: 32

約数和(自身を含む): 53726400

約数和(自身を除く): 32939790

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53299, 106598, 159897, 266495, 319794, 532990, 692887, 799485, 1385774, 1598970, 2078661, 3464435, 4157322, 6928870, 10393305, 20786610]

約数ペア:

[(1, 20786610), (2, 10393305), (3, 6928870), (5, 4157322), (6, 3464435), (10, 2078661), (13, 1598970), (15, 1385774), (26, 799485), (30, 692887), (39, 532990), (65, 319794), (78, 266495), (130, 159897), (195, 106598), (390, 53299)]