20883088

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 42425856

約数和(自身を除く): 21542768

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 496, 568, 593, 1136, 1186, 2201, 2372, 4402, 4744, 8804, 9488, 17608, 18383, 35216, 36766, 42103, 73532, 84206, 147064, 168412, 294128, 336824, 673648, 1305193, 2610386, 5220772, 10441544, 20883088]

約数ペア:

[(1, 20883088), (2, 10441544), (4, 5220772), (8, 2610386), (16, 1305193), (31, 673648), (62, 336824), (71, 294128), (124, 168412), (142, 147064), (248, 84206), (284, 73532), (496, 42103), (568, 36766), (593, 35216), (1136, 18383), (1186, 17608), (2201, 9488), (2372, 8804), (4402, 4744)]