20988984

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{28211}}^1$

素因数の和:28251

約数の個数: 32

約数和(自身を含む): 54167040

約数和(自身を除く): 33178056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 28211, 56422, 84633, 112844, 169266, 225688, 338532, 677064, 874541, 1749082, 2623623, 3498164, 5247246, 6996328, 10494492, 20988984]

約数ペア:

[(1, 20988984), (2, 10494492), (3, 6996328), (4, 5247246), (6, 3498164), (8, 2623623), (12, 1749082), (24, 874541), (31, 677064), (62, 338532), (93, 225688), (124, 169266), (186, 112844), (248, 84633), (372, 56422), (744, 28211)]