20359664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97883}}^1$

素因数の和:97904

約数の個数: 20

約数和(自身を含む): 42481656

約数和(自身を除く): 22121992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97883, 195766, 391532, 783064, 1272479, 1566128, 2544958, 5089916, 10179832, 20359664]

約数ペア:

[(1, 20359664), (2, 10179832), (4, 5089916), (8, 2544958), (13, 1566128), (16, 1272479), (26, 783064), (52, 391532), (104, 195766), (208, 97883)]