20923686

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3389}}^1$

素因数の和:3418

約数の個数: 48

約数和(自身を含む): 52884000

約数和(自身を除く): 31960314

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3389, 6174, 6778, 10167, 20334, 23723, 30501, 47446, 61002, 71169, 142338, 166061, 213507, 332122, 427014, 498183, 996366, 1162427, 1494549, 2324854, 2989098, 3487281, 6974562, 10461843, 20923686]

約数ペア:

[(1, 20923686), (2, 10461843), (3, 6974562), (6, 3487281), (7, 2989098), (9, 2324854), (14, 1494549), (18, 1162427), (21, 996366), (42, 498183), (49, 427014), (63, 332122), (98, 213507), (126, 166061), (147, 142338), (294, 71169), (343, 61002), (441, 47446), (686, 30501), (882, 23723), (1029, 20334), (2058, 10167), (3087, 6778), (3389, 6174)]