20428344

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 59202000

約数和(自身を除く): 38773656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 109, 114, 137, 152, 171, 218, 228, 274, 327, 342, 411, 436, 456, 548, 654, 684, 822, 872, 981, 1096, 1233, 1308, 1368, 1644, 1962, 2071, 2466, 2603, 2616, 3288, 3924, 4142, 4932, 5206, 6213, 7809, 7848, 8284, 9864, 10412, 12426, 14933, 15618, 16568, 18639, 20824, 23427, 24852, 29866, 31236, 37278, 44799, 46854, 49704, 59732, 62472, 74556, 89598, 93708, 119464, 134397, 149112, 179196, 187416, 268794, 283727, 358392, 537588, 567454, 851181, 1075176, 1134908, 1702362, 2269816, 2553543, 3404724, 5107086, 6809448, 10214172, 20428344]

約数ペア:

[(1, 20428344), (2, 10214172), (3, 6809448), (4, 5107086), (6, 3404724), (8, 2553543), (9, 2269816), (12, 1702362), (18, 1134908), (19, 1075176), (24, 851181), (36, 567454), (38, 537588), (57, 358392), (72, 283727), (76, 268794), (109, 187416), (114, 179196), (137, 149112), (152, 134397), (171, 119464), (218, 93708), (228, 89598), (274, 74556), (327, 62472), (342, 59732), (411, 49704), (436, 46854), (456, 44799), (548, 37278), (654, 31236), (684, 29866), (822, 24852), (872, 23427), (981, 20824), (1096, 18639), (1233, 16568), (1308, 15618), (1368, 14933), (1644, 12426), (1962, 10412), (2071, 9864), (2466, 8284), (2603, 7848), (2616, 7809), (3288, 6213), (3924, 5206), (4142, 4932)]