20937906

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 51408000

約数和(自身を除く): 30470094

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 101, 198, 202, 297, 303, 349, 594, 606, 698, 909, 1047, 1111, 1818, 2094, 2222, 2727, 3141, 3333, 3839, 5454, 6282, 6666, 7678, 9423, 9999, 11517, 18846, 19998, 23034, 29997, 34551, 35249, 59994, 69102, 70498, 103653, 105747, 207306, 211494, 317241, 387739, 634482, 775478, 951723, 1163217, 1903446, 2326434, 3489651, 6979302, 10468953, 20937906]

約数ペア:

[(1, 20937906), (2, 10468953), (3, 6979302), (6, 3489651), (9, 2326434), (11, 1903446), (18, 1163217), (22, 951723), (27, 775478), (33, 634482), (54, 387739), (66, 317241), (99, 211494), (101, 207306), (198, 105747), (202, 103653), (297, 70498), (303, 69102), (349, 59994), (594, 35249), (606, 34551), (698, 29997), (909, 23034), (1047, 19998), (1111, 18846), (1818, 11517), (2094, 9999), (2222, 9423), (2727, 7678), (3141, 6666), (3333, 6282), (3839, 5454)]