20438392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196523}}^1$

素因数の和:196542

約数の個数: 16

約数和(自身を含む): 41270040

約数和(自身を除く): 20831648

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196523, 393046, 786092, 1572184, 2554799, 5109598, 10219196, 20438392]

約数ペア:

[(1, 20438392), (2, 10219196), (4, 5109598), (8, 2554799), (13, 1572184), (26, 786092), (52, 393046), (104, 196523)]