20684544

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 57493632

約数和(自身を除く): 36809088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 552, 736, 768, 1104, 1171, 1472, 2208, 2342, 2944, 3513, 4416, 4684, 5888, 7026, 8832, 9368, 14052, 17664, 18736, 26933, 28104, 37472, 53866, 56208, 74944, 80799, 107732, 112416, 149888, 161598, 215464, 224832, 299776, 323196, 430928, 449664, 646392, 861856, 899328, 1292784, 1723712, 2585568, 3447424, 5171136, 6894848, 10342272, 20684544]

約数ペア:

[(1, 20684544), (2, 10342272), (3, 6894848), (4, 5171136), (6, 3447424), (8, 2585568), (12, 1723712), (16, 1292784), (23, 899328), (24, 861856), (32, 646392), (46, 449664), (48, 430928), (64, 323196), (69, 299776), (92, 224832), (96, 215464), (128, 161598), (138, 149888), (184, 112416), (192, 107732), (256, 80799), (276, 74944), (368, 56208), (384, 53866), (552, 37472), (736, 28104), (768, 26933), (1104, 18736), (1171, 17664), (1472, 14052), (2208, 9368), (2342, 8832), (2944, 7026), (3513, 5888), (4416, 4684)]