20081230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1367}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 39299904

約数和(自身を除く): 19218674

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1367, 1469, 2734, 2938, 6835, 7345, 13670, 14690, 17771, 35542, 88855, 154471, 177710, 308942, 772355, 1544710, 2008123, 4016246, 10040615, 20081230]

約数ペア:

[(1, 20081230), (2, 10040615), (5, 4016246), (10, 2008123), (13, 1544710), (26, 772355), (65, 308942), (113, 177710), (130, 154471), (226, 88855), (565, 35542), (1130, 17771), (1367, 14690), (1469, 13670), (2734, 7345), (2938, 6835)]