20903844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133999}}^1$

素因数の和:134019

約数の個数: 24

約数和(自身を含む): 52528000

約数和(自身を除く): 31624156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133999, 267998, 401997, 535996, 803994, 1607988, 1741987, 3483974, 5225961, 6967948, 10451922, 20903844]

約数ペア:

[(1, 20903844), (2, 10451922), (3, 6967948), (4, 5225961), (6, 3483974), (12, 1741987), (13, 1607988), (26, 803994), (39, 535996), (52, 401997), (78, 267998), (156, 133999)]