20518176

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1646

約数の個数: 96

約数和(自身を含む): 64834560

約数和(自身を除く): 44316384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 76, 84, 96, 112, 114, 133, 152, 168, 224, 228, 266, 304, 336, 399, 456, 532, 608, 672, 798, 912, 1064, 1596, 1607, 1824, 2128, 3192, 3214, 4256, 4821, 6384, 6428, 9642, 11249, 12768, 12856, 19284, 22498, 25712, 30533, 33747, 38568, 44996, 51424, 61066, 67494, 77136, 89992, 91599, 122132, 134988, 154272, 179984, 183198, 213731, 244264, 269976, 359968, 366396, 427462, 488528, 539952, 641193, 732792, 854924, 977056, 1079904, 1282386, 1465584, 1709848, 2564772, 2931168, 3419696, 5129544, 6839392, 10259088, 20518176]

約数ペア:

[(1, 20518176), (2, 10259088), (3, 6839392), (4, 5129544), (6, 3419696), (7, 2931168), (8, 2564772), (12, 1709848), (14, 1465584), (16, 1282386), (19, 1079904), (21, 977056), (24, 854924), (28, 732792), (32, 641193), (38, 539952), (42, 488528), (48, 427462), (56, 366396), (57, 359968), (76, 269976), (84, 244264), (96, 213731), (112, 183198), (114, 179984), (133, 154272), (152, 134988), (168, 122132), (224, 91599), (228, 89992), (266, 77136), (304, 67494), (336, 61066), (399, 51424), (456, 44996), (532, 38568), (608, 33747), (672, 30533), (798, 25712), (912, 22498), (1064, 19284), (1596, 12856), (1607, 12768), (1824, 11249), (2128, 9642), (3192, 6428), (3214, 6384), (4256, 4821)]