16620016

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 120

約数和(自身を含む): 41983920

約数和(自身を除く): 25363904

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 34, 43, 49, 56, 58, 68, 86, 98, 112, 116, 119, 136, 172, 196, 203, 232, 238, 272, 301, 344, 392, 406, 464, 476, 493, 602, 688, 731, 784, 812, 833, 952, 986, 1204, 1247, 1421, 1462, 1624, 1666, 1904, 1972, 2107, 2408, 2494, 2842, 2924, 3248, 3332, 3451, 3944, 4214, 4816, 4988, 5117, 5684, 5848, 6664, 6902, 7888, 8428, 8729, 9976, 10234, 11368, 11696, 13328, 13804, 16856, 17458, 19952, 20468, 21199, 22736, 24157, 27608, 33712, 34916, 35819, 40936, 42398, 48314, 55216, 61103, 69832, 71638, 81872, 84796, 96628, 122206, 139664, 143276, 148393, 169592, 193256, 244412, 286552, 296786, 339184, 386512, 488824, 573104, 593572, 977648, 1038751, 1187144, 2077502, 2374288, 4155004, 8310008, 16620016]

約数ペア:

[(1, 16620016), (2, 8310008), (4, 4155004), (7, 2374288), (8, 2077502), (14, 1187144), (16, 1038751), (17, 977648), (28, 593572), (29, 573104), (34, 488824), (43, 386512), (49, 339184), (56, 296786), (58, 286552), (68, 244412), (86, 193256), (98, 169592), (112, 148393), (116, 143276), (119, 139664), (136, 122206), (172, 96628), (196, 84796), (203, 81872), (232, 71638), (238, 69832), (272, 61103), (301, 55216), (344, 48314), (392, 42398), (406, 40936), (464, 35819), (476, 34916), (493, 33712), (602, 27608), (688, 24157), (731, 22736), (784, 21199), (812, 20468), (833, 19952), (952, 17458), (986, 16856), (1204, 13804), (1247, 13328), (1421, 11696), (1462, 11368), (1624, 10234), (1666, 9976), (1904, 8729), (1972, 8428), (2107, 7888), (2408, 6902), (2494, 6664), (2842, 5848), (2924, 5684), (3248, 5117), (3332, 4988), (3451, 4816), (3944, 4214)]