20256500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 30062860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 125, 127, 145, 220, 250, 254, 275, 290, 319, 500, 508, 550, 580, 635, 638, 725, 1100, 1270, 1276, 1375, 1397, 1450, 1595, 2540, 2750, 2794, 2900, 3175, 3190, 3625, 3683, 5500, 5588, 6350, 6380, 6985, 7250, 7366, 7975, 12700, 13970, 14500, 14732, 15875, 15950, 18415, 27940, 31750, 31900, 34925, 36830, 39875, 40513, 63500, 69850, 73660, 79750, 81026, 92075, 139700, 159500, 162052, 174625, 184150, 202565, 349250, 368300, 405130, 460375, 698500, 810260, 920750, 1012825, 1841500, 2025650, 4051300, 5064125, 10128250, 20256500]

約数ペア:

[(1, 20256500), (2, 10128250), (4, 5064125), (5, 4051300), (10, 2025650), (11, 1841500), (20, 1012825), (22, 920750), (25, 810260), (29, 698500), (44, 460375), (50, 405130), (55, 368300), (58, 349250), (100, 202565), (110, 184150), (116, 174625), (125, 162052), (127, 159500), (145, 139700), (220, 92075), (250, 81026), (254, 79750), (275, 73660), (290, 69850), (319, 63500), (500, 40513), (508, 39875), (550, 36830), (580, 34925), (635, 31900), (638, 31750), (725, 27940), (1100, 18415), (1270, 15950), (1276, 15875), (1375, 14732), (1397, 14500), (1450, 13970), (1595, 12700), (2540, 7975), (2750, 7366), (2794, 7250), (2900, 6985), (3175, 6380), (3190, 6350), (3625, 5588), (3683, 5500)]