20585304

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 58515600

約数和(自身を除く): 37930296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 61, 72, 86, 109, 122, 129, 172, 183, 218, 244, 258, 327, 344, 366, 387, 436, 488, 516, 549, 654, 732, 774, 872, 981, 1032, 1098, 1308, 1464, 1548, 1962, 2196, 2616, 2623, 3096, 3924, 4392, 4687, 5246, 6649, 7848, 7869, 9374, 10492, 13298, 14061, 15738, 18748, 19947, 20984, 23607, 26596, 28122, 31476, 37496, 39894, 42183, 47214, 53192, 56244, 59841, 62952, 79788, 84366, 94428, 112488, 119682, 159576, 168732, 188856, 239364, 285907, 337464, 478728, 571814, 857721, 1143628, 1715442, 2287256, 2573163, 3430884, 5146326, 6861768, 10292652, 20585304]

約数ペア:

[(1, 20585304), (2, 10292652), (3, 6861768), (4, 5146326), (6, 3430884), (8, 2573163), (9, 2287256), (12, 1715442), (18, 1143628), (24, 857721), (36, 571814), (43, 478728), (61, 337464), (72, 285907), (86, 239364), (109, 188856), (122, 168732), (129, 159576), (172, 119682), (183, 112488), (218, 94428), (244, 84366), (258, 79788), (327, 62952), (344, 59841), (366, 56244), (387, 53192), (436, 47214), (488, 42183), (516, 39894), (549, 37496), (654, 31476), (732, 28122), (774, 26596), (872, 23607), (981, 20984), (1032, 19947), (1098, 18748), (1308, 15738), (1464, 14061), (1548, 13298), (1962, 10492), (2196, 9374), (2616, 7869), (2623, 7848), (3096, 6649), (3924, 5246), (4392, 4687)]