20403966

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1787}}^1$

素因数の和:1976

約数の個数: 32

約数和(自身を含む): 44800128

約数和(自身を除く): 24396162

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 173, 346, 519, 1038, 1787, 1903, 3574, 3806, 5361, 5709, 10722, 11418, 19657, 39314, 58971, 117942, 309151, 618302, 927453, 1854906, 3400661, 6801322, 10201983, 20403966]

約数ペア:

[(1, 20403966), (2, 10201983), (3, 6801322), (6, 3400661), (11, 1854906), (22, 927453), (33, 618302), (66, 309151), (173, 117942), (346, 58971), (519, 39314), (1038, 19657), (1787, 11418), (1903, 10722), (3574, 5709), (3806, 5361)]