20325800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9239}}^1$

素因数の和:9266

約数の個数: 48

約数和(自身を含む): 51559200

約数和(自身を除く): 31233400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9239, 18478, 36956, 46195, 73912, 92390, 101629, 184780, 203258, 230975, 369560, 406516, 461950, 508145, 813032, 923900, 1016290, 1847800, 2032580, 2540725, 4065160, 5081450, 10162900, 20325800]

約数ペア:

[(1, 20325800), (2, 10162900), (4, 5081450), (5, 4065160), (8, 2540725), (10, 2032580), (11, 1847800), (20, 1016290), (22, 923900), (25, 813032), (40, 508145), (44, 461950), (50, 406516), (55, 369560), (88, 230975), (100, 203258), (110, 184780), (200, 101629), (220, 92390), (275, 73912), (440, 46195), (550, 36956), (1100, 18478), (2200, 9239)]