20719582

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4889}}^1$

素因数の和:5067

約数の個数: 16

約数和(自身を含む): 33682320

約数和(自身を除く): 12962738

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4889, 9778, 63557, 127114, 796907, 1593814, 10359791, 20719582]

約数ペア:

[(1, 20719582), (2, 10359791), (13, 1593814), (26, 796907), (163, 127114), (326, 63557), (2119, 9778), (4238, 4889)]