15720016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{75577}}^1$

素因数の和:75598

約数の個数: 20

約数和(自身を含む): 32800852

約数和(自身を除く): 17080836

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 75577, 151154, 302308, 604616, 982501, 1209232, 1965002, 3930004, 7860008, 15720016]

約数ペア:

[(1, 15720016), (2, 7860008), (4, 3930004), (8, 1965002), (13, 1209232), (16, 982501), (26, 604616), (52, 302308), (104, 151154), (208, 75577)]