20780352

素因数分解:

$2^6\times 3^2\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:900

約数の個数: 84

約数和(自身を含む): 61020960

約数和(自身を除く): 40240608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 129, 144, 172, 192, 258, 288, 344, 387, 516, 576, 688, 774, 839, 1032, 1376, 1548, 1678, 2064, 2517, 2752, 3096, 3356, 4128, 5034, 6192, 6712, 7551, 8256, 10068, 12384, 13424, 15102, 20136, 24768, 26848, 30204, 36077, 40272, 53696, 60408, 72154, 80544, 108231, 120816, 144308, 161088, 216462, 241632, 288616, 324693, 432924, 483264, 577232, 649386, 865848, 1154464, 1298772, 1731696, 2308928, 2597544, 3463392, 5195088, 6926784, 10390176, 20780352]

約数ペア:

[(1, 20780352), (2, 10390176), (3, 6926784), (4, 5195088), (6, 3463392), (8, 2597544), (9, 2308928), (12, 1731696), (16, 1298772), (18, 1154464), (24, 865848), (32, 649386), (36, 577232), (43, 483264), (48, 432924), (64, 324693), (72, 288616), (86, 241632), (96, 216462), (129, 161088), (144, 144308), (172, 120816), (192, 108231), (258, 80544), (288, 72154), (344, 60408), (387, 53696), (516, 40272), (576, 36077), (688, 30204), (774, 26848), (839, 24768), (1032, 20136), (1376, 15102), (1548, 13424), (1678, 12384), (2064, 10068), (2517, 8256), (2752, 7551), (3096, 6712), (3356, 6192), (4128, 5034)]