20419520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5801}}^1$

素因数の和:5829

約数の個数: 56

約数和(自身を含む): 53053488

約数和(自身を除く): 32633968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5801, 11602, 23204, 29005, 46408, 58010, 63811, 92816, 116020, 127622, 185632, 232040, 255244, 319055, 371264, 464080, 510488, 638110, 928160, 1020976, 1276220, 1856320, 2041952, 2552440, 4083904, 5104880, 10209760, 20419520]

約数ペア:

[(1, 20419520), (2, 10209760), (4, 5104880), (5, 4083904), (8, 2552440), (10, 2041952), (11, 1856320), (16, 1276220), (20, 1020976), (22, 928160), (32, 638110), (40, 510488), (44, 464080), (55, 371264), (64, 319055), (80, 255244), (88, 232040), (110, 185632), (160, 127622), (176, 116020), (220, 92816), (320, 63811), (352, 58010), (440, 46408), (704, 29005), (880, 23204), (1760, 11602), (3520, 5801)]