20798514

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 32980302

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 37, 51, 66, 74, 99, 102, 111, 153, 167, 187, 198, 222, 306, 333, 334, 374, 407, 501, 561, 629, 666, 814, 1002, 1122, 1221, 1258, 1503, 1683, 1837, 1887, 2442, 2839, 3006, 3366, 3663, 3674, 3774, 5511, 5661, 5678, 6179, 6919, 7326, 8517, 11022, 11322, 12358, 13838, 16533, 17034, 18537, 20757, 25551, 31229, 33066, 37074, 41514, 51102, 55611, 62271, 62458, 67969, 93687, 105043, 111222, 124542, 135938, 187374, 203907, 210086, 281061, 315129, 407814, 562122, 611721, 630258, 945387, 1155473, 1223442, 1890774, 2310946, 3466419, 6932838, 10399257, 20798514]

約数ペア:

[(1, 20798514), (2, 10399257), (3, 6932838), (6, 3466419), (9, 2310946), (11, 1890774), (17, 1223442), (18, 1155473), (22, 945387), (33, 630258), (34, 611721), (37, 562122), (51, 407814), (66, 315129), (74, 281061), (99, 210086), (102, 203907), (111, 187374), (153, 135938), (167, 124542), (187, 111222), (198, 105043), (222, 93687), (306, 67969), (333, 62458), (334, 62271), (374, 55611), (407, 51102), (501, 41514), (561, 37074), (629, 33066), (666, 31229), (814, 25551), (1002, 20757), (1122, 18537), (1221, 17034), (1258, 16533), (1503, 13838), (1683, 12358), (1837, 11322), (1887, 11022), (2442, 8517), (2839, 7326), (3006, 6919), (3366, 6179), (3663, 5678), (3674, 5661), (3774, 5511)]