20657896

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3803}}^1$

素因数の和:3913

約数の個数: 32

約数和(自身を含む): 44735040

約数和(自身を除く): 24077144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 3803, 5432, 7606, 15212, 26621, 30424, 53242, 106484, 212968, 368891, 737782, 1475564, 2582237, 2951128, 5164474, 10328948, 20657896]

約数ペア:

[(1, 20657896), (2, 10328948), (4, 5164474), (7, 2951128), (8, 2582237), (14, 1475564), (28, 737782), (56, 368891), (97, 212968), (194, 106484), (388, 53242), (679, 30424), (776, 26621), (1358, 15212), (2716, 7606), (3803, 5432)]