20110728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4481}}^1$

素因数の和:4518

約数の個数: 64

約数和(自身を含む): 58086720

約数和(自身を除く): 37975992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4481, 4488, 8962, 13443, 17924, 26886, 35848, 49291, 53772, 76177, 98582, 107544, 147873, 152354, 197164, 228531, 295746, 304708, 394328, 457062, 591492, 609416, 837947, 914124, 1182984, 1675894, 1828248, 2513841, 3351788, 5027682, 6703576, 10055364, 20110728]

約数ペア:

[(1, 20110728), (2, 10055364), (3, 6703576), (4, 5027682), (6, 3351788), (8, 2513841), (11, 1828248), (12, 1675894), (17, 1182984), (22, 914124), (24, 837947), (33, 609416), (34, 591492), (44, 457062), (51, 394328), (66, 304708), (68, 295746), (88, 228531), (102, 197164), (132, 152354), (136, 147873), (187, 107544), (204, 98582), (264, 76177), (374, 53772), (408, 49291), (561, 35848), (748, 26886), (1122, 17924), (1496, 13443), (2244, 8962), (4481, 4488)]