20020788

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 53114880

約数和(自身を除く): 33094092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 127, 151, 174, 254, 261, 302, 348, 381, 453, 508, 522, 604, 762, 906, 1044, 1143, 1359, 1524, 1812, 2286, 2718, 3683, 4379, 4572, 5436, 7366, 8758, 11049, 13137, 14732, 17516, 19177, 22098, 26274, 33147, 38354, 39411, 44196, 52548, 57531, 66294, 76708, 78822, 115062, 132588, 157644, 172593, 230124, 345186, 556133, 690372, 1112266, 1668399, 2224532, 3336798, 5005197, 6673596, 10010394, 20020788]

約数ペア:

[(1, 20020788), (2, 10010394), (3, 6673596), (4, 5005197), (6, 3336798), (9, 2224532), (12, 1668399), (18, 1112266), (29, 690372), (36, 556133), (58, 345186), (87, 230124), (116, 172593), (127, 157644), (151, 132588), (174, 115062), (254, 78822), (261, 76708), (302, 66294), (348, 57531), (381, 52548), (453, 44196), (508, 39411), (522, 38354), (604, 33147), (762, 26274), (906, 22098), (1044, 19177), (1143, 17516), (1359, 14732), (1524, 13137), (1812, 11049), (2286, 8758), (2718, 7366), (3683, 5436), (4379, 4572)]