20498824

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{593}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 40095000

約数和(自身を除く): 19596176

約数列:

[1, 2, 4, 8, 29, 58, 116, 149, 232, 298, 593, 596, 1186, 1192, 2372, 4321, 4744, 8642, 17197, 17284, 34394, 34568, 68788, 88357, 137576, 176714, 353428, 706856, 2562353, 5124706, 10249412, 20498824]

約数ペア:

[(1, 20498824), (2, 10249412), (4, 5124706), (8, 2562353), (29, 706856), (58, 353428), (116, 176714), (149, 137576), (232, 88357), (298, 68788), (593, 34568), (596, 34394), (1186, 17284), (1192, 17197), (2372, 8642), (4321, 4744)]