20688232

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{827}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 40240800

約数和(自身を除く): 19552568

約数列:

[1, 2, 4, 8, 53, 59, 106, 118, 212, 236, 424, 472, 827, 1654, 3127, 3308, 6254, 6616, 12508, 25016, 43831, 48793, 87662, 97586, 175324, 195172, 350648, 390344, 2586029, 5172058, 10344116, 20688232]

約数ペア:

[(1, 20688232), (2, 10344116), (4, 5172058), (8, 2586029), (53, 390344), (59, 350648), (106, 195172), (118, 175324), (212, 97586), (236, 87662), (424, 48793), (472, 43831), (827, 25016), (1654, 12508), (3127, 6616), (3308, 6254)]