20468800

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1163}}^1$

素因数の和:1196

約数の個数: 84

約数和(自身を含む): 54992016

約数和(自身を除く): 34523216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 704, 800, 880, 1100, 1163, 1600, 1760, 2200, 2326, 3520, 4400, 4652, 5815, 8800, 9304, 11630, 12793, 17600, 18608, 23260, 25586, 29075, 37216, 46520, 51172, 58150, 63965, 74432, 93040, 102344, 116300, 127930, 186080, 204688, 232600, 255860, 319825, 372160, 409376, 465200, 511720, 639650, 818752, 930400, 1023440, 1279300, 1860800, 2046880, 2558600, 4093760, 5117200, 10234400, 20468800]

約数ペア:

[(1, 20468800), (2, 10234400), (4, 5117200), (5, 4093760), (8, 2558600), (10, 2046880), (11, 1860800), (16, 1279300), (20, 1023440), (22, 930400), (25, 818752), (32, 639650), (40, 511720), (44, 465200), (50, 409376), (55, 372160), (64, 319825), (80, 255860), (88, 232600), (100, 204688), (110, 186080), (160, 127930), (176, 116300), (200, 102344), (220, 93040), (275, 74432), (320, 63965), (352, 58150), (400, 51172), (440, 46520), (550, 37216), (704, 29075), (800, 25586), (880, 23260), (1100, 18608), (1163, 17600), (1600, 12793), (1760, 11630), (2200, 9304), (2326, 8800), (3520, 5815), (4400, 4652)]