20641008

素因数分解:

$2^4\times 3^1\times {\mathrm{487}}^1\times {\mathrm{883}}^1$

素因数の和:1381

約数の個数: 40

約数和(自身を含む): 53492608

約数和(自身を除く): 32851600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 487, 883, 974, 1461, 1766, 1948, 2649, 2922, 3532, 3896, 5298, 5844, 7064, 7792, 10596, 11688, 14128, 21192, 23376, 42384, 430021, 860042, 1290063, 1720084, 2580126, 3440168, 5160252, 6880336, 10320504, 20641008]

約数ペア:

[(1, 20641008), (2, 10320504), (3, 6880336), (4, 5160252), (6, 3440168), (8, 2580126), (12, 1720084), (16, 1290063), (24, 860042), (48, 430021), (487, 42384), (883, 23376), (974, 21192), (1461, 14128), (1766, 11688), (1948, 10596), (2649, 7792), (2922, 7064), (3532, 5844), (3896, 5298)]