20289984

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:778

約数の個数: 112

約数和(自身を含む): 63154560

約数和(自身を除く): 42864576

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 64, 66, 78, 88, 96, 104, 132, 143, 156, 176, 192, 208, 264, 286, 312, 352, 416, 429, 528, 572, 624, 704, 739, 832, 858, 1056, 1144, 1248, 1478, 1716, 2112, 2217, 2288, 2496, 2956, 3432, 4434, 4576, 5912, 6864, 8129, 8868, 9152, 9607, 11824, 13728, 16258, 17736, 19214, 23648, 24387, 27456, 28821, 32516, 35472, 38428, 47296, 48774, 57642, 65032, 70944, 76856, 97548, 105677, 115284, 130064, 141888, 153712, 195096, 211354, 230568, 260128, 307424, 317031, 390192, 422708, 461136, 520256, 614848, 634062, 780384, 845416, 922272, 1268124, 1560768, 1690832, 1844544, 2536248, 3381664, 5072496, 6763328, 10144992, 20289984]

約数ペア:

[(1, 20289984), (2, 10144992), (3, 6763328), (4, 5072496), (6, 3381664), (8, 2536248), (11, 1844544), (12, 1690832), (13, 1560768), (16, 1268124), (22, 922272), (24, 845416), (26, 780384), (32, 634062), (33, 614848), (39, 520256), (44, 461136), (48, 422708), (52, 390192), (64, 317031), (66, 307424), (78, 260128), (88, 230568), (96, 211354), (104, 195096), (132, 153712), (143, 141888), (156, 130064), (176, 115284), (192, 105677), (208, 97548), (264, 76856), (286, 70944), (312, 65032), (352, 57642), (416, 48774), (429, 47296), (528, 38428), (572, 35472), (624, 32516), (704, 28821), (739, 27456), (832, 24387), (858, 23648), (1056, 19214), (1144, 17736), (1248, 16258), (1478, 13728), (1716, 11824), (2112, 9607), (2217, 9152), (2288, 8868), (2496, 8129), (2956, 6864), (3432, 5912), (4434, 4576)]