20179388

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1493}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 36812160

約数和(自身を除く): 16632772

約数列:

[1, 2, 4, 31, 62, 109, 124, 218, 436, 1493, 2986, 3379, 5972, 6758, 13516, 46283, 92566, 162737, 185132, 325474, 650948, 5044847, 10089694, 20179388]

約数ペア:

[(1, 20179388), (2, 10089694), (4, 5044847), (31, 650948), (62, 325474), (109, 185132), (124, 162737), (218, 92566), (436, 46283), (1493, 13516), (2986, 6758), (3379, 5972)]