20448035

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{661}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 25738560

約数和(自身を除く): 5290525

約数列:

[1, 5, 23, 115, 269, 661, 1345, 3305, 6187, 15203, 30935, 76015, 177809, 889045, 4089607, 20448035]

約数ペア:

[(1, 20448035), (5, 4089607), (23, 889045), (115, 177809), (269, 76015), (661, 30935), (1345, 15203), (3305, 6187)]