20144605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3923}}^1$

素因数の和:4020

約数の個数: 16

約数和(自身を含む): 26369280

約数和(自身を除く): 6224675

約数列:

[1, 5, 13, 65, 79, 395, 1027, 3923, 5135, 19615, 50999, 254995, 309917, 1549585, 4028921, 20144605]

約数ペア:

[(1, 20144605), (5, 4028921), (13, 1549585), (65, 309917), (79, 254995), (395, 50999), (1027, 19615), (3923, 5135)]