20441168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 46026816

約数和(自身を除く): 25585648

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 43, 44, 73, 74, 86, 88, 146, 148, 172, 176, 292, 296, 344, 407, 473, 584, 592, 688, 803, 814, 946, 1168, 1591, 1606, 1628, 1892, 2701, 3139, 3182, 3212, 3256, 3784, 5402, 6278, 6364, 6424, 6512, 7568, 10804, 12556, 12728, 12848, 17501, 21608, 25112, 25456, 29711, 34529, 35002, 43216, 50224, 59422, 69058, 70004, 116143, 118844, 138116, 140008, 232286, 237688, 276232, 280016, 464572, 475376, 552464, 929144, 1277573, 1858288, 2555146, 5110292, 10220584, 20441168]

約数ペア:

[(1, 20441168), (2, 10220584), (4, 5110292), (8, 2555146), (11, 1858288), (16, 1277573), (22, 929144), (37, 552464), (43, 475376), (44, 464572), (73, 280016), (74, 276232), (86, 237688), (88, 232286), (146, 140008), (148, 138116), (172, 118844), (176, 116143), (292, 70004), (296, 69058), (344, 59422), (407, 50224), (473, 43216), (584, 35002), (592, 34529), (688, 29711), (803, 25456), (814, 25112), (946, 21608), (1168, 17501), (1591, 12848), (1606, 12728), (1628, 12556), (1892, 10804), (2701, 7568), (3139, 6512), (3182, 6424), (3212, 6364), (3256, 6278), (3784, 5402)]