20943966

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 26645154

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 101, 102, 107, 114, 202, 214, 303, 321, 323, 606, 642, 646, 969, 1717, 1819, 1919, 1938, 2033, 3434, 3638, 3838, 4066, 5151, 5457, 5757, 6099, 10302, 10807, 10914, 11514, 12198, 21614, 32421, 32623, 34561, 64842, 65246, 69122, 97869, 103683, 183719, 195738, 205333, 207366, 367438, 410666, 551157, 615999, 1102314, 1231998, 3490661, 6981322, 10471983, 20943966]

約数ペア:

[(1, 20943966), (2, 10471983), (3, 6981322), (6, 3490661), (17, 1231998), (19, 1102314), (34, 615999), (38, 551157), (51, 410666), (57, 367438), (101, 207366), (102, 205333), (107, 195738), (114, 183719), (202, 103683), (214, 97869), (303, 69122), (321, 65246), (323, 64842), (606, 34561), (642, 32623), (646, 32421), (969, 21614), (1717, 12198), (1819, 11514), (1919, 10914), (1938, 10807), (2033, 10302), (3434, 6099), (3638, 5757), (3838, 5457), (4066, 5151)]