20769760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11801}}^1$

素因数の和:11827

約数の個数: 48

約数和(自身を含む): 53533872

約数和(自身を除く): 32764112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11801, 23602, 47204, 59005, 94408, 118010, 129811, 188816, 236020, 259622, 377632, 472040, 519244, 649055, 944080, 1038488, 1298110, 1888160, 2076976, 2596220, 4153952, 5192440, 10384880, 20769760]

約数ペア:

[(1, 20769760), (2, 10384880), (4, 5192440), (5, 4153952), (8, 2596220), (10, 2076976), (11, 1888160), (16, 1298110), (20, 1038488), (22, 944080), (32, 649055), (40, 519244), (44, 472040), (55, 377632), (80, 259622), (88, 236020), (110, 188816), (160, 129811), (176, 118010), (220, 94408), (352, 59005), (440, 47204), (880, 23602), (1760, 11801)]