20814200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9461}}^1$

素因数の和:9488

約数の個数: 48

約数和(自身を含む): 52797960

約数和(自身を除く): 31983760

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, 9461, 18922, 37844, 47305, 75688, 94610, 104071, 189220, 208142, 236525, 378440, 416284, 473050, 520355, 832568, 946100, 1040710, 1892200, 2081420, 2601775, 4162840, 5203550, 10407100, 20814200]

約数ペア:

[(1, 20814200), (2, 10407100), (4, 5203550), (5, 4162840), (8, 2601775), (10, 2081420), (11, 1892200), (20, 1040710), (22, 946100), (25, 832568), (40, 520355), (44, 473050), (50, 416284), (55, 378440), (88, 236525), (100, 208142), (110, 189220), (200, 104071), (220, 94610), (275, 75688), (440, 47305), (550, 37844), (1100, 18922), (2200, 9461)]