20403406

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:699

約数の個数: 16

約数和(自身を含む): 31056480

約数和(自身を除く): 10653074

約数列:

[1, 2, 157, 181, 314, 359, 362, 718, 28417, 56363, 56834, 64979, 112726, 129958, 10201703, 20403406]

約数ペア:

[(1, 20403406), (2, 10201703), (157, 129958), (181, 112726), (314, 64979), (359, 56834), (362, 56363), (718, 28417)]