20537528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 24217672

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 73, 88, 92, 139, 146, 184, 253, 278, 292, 506, 556, 584, 803, 1012, 1112, 1529, 1606, 1679, 2024, 3058, 3197, 3212, 3358, 6116, 6394, 6424, 6716, 10147, 12232, 12788, 13432, 18469, 20294, 25576, 35167, 36938, 40588, 70334, 73876, 81176, 111617, 140668, 147752, 223234, 233381, 281336, 446468, 466762, 892936, 933524, 1867048, 2567191, 5134382, 10268764, 20537528]

約数ペア:

[(1, 20537528), (2, 10268764), (4, 5134382), (8, 2567191), (11, 1867048), (22, 933524), (23, 892936), (44, 466762), (46, 446468), (73, 281336), (88, 233381), (92, 223234), (139, 147752), (146, 140668), (184, 111617), (253, 81176), (278, 73876), (292, 70334), (506, 40588), (556, 36938), (584, 35167), (803, 25576), (1012, 20294), (1112, 18469), (1529, 13432), (1606, 12788), (1679, 12232), (2024, 10147), (3058, 6716), (3197, 6424), (3212, 6394), (3358, 6116)]