20210344

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 49658400

約数和(自身を除く): 29448056

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 49, 56, 77, 86, 88, 98, 109, 154, 172, 196, 218, 301, 308, 344, 392, 436, 473, 539, 602, 616, 763, 872, 946, 1078, 1199, 1204, 1526, 1892, 2107, 2156, 2398, 2408, 3052, 3311, 3784, 4214, 4312, 4687, 4796, 5341, 6104, 6622, 8393, 8428, 9374, 9592, 10682, 13244, 16786, 16856, 18748, 21364, 23177, 26488, 32809, 33572, 37496, 42728, 46354, 51557, 58751, 65618, 67144, 92708, 103114, 117502, 131236, 185416, 206228, 229663, 235004, 262472, 360899, 412456, 459326, 470008, 721798, 918652, 1443596, 1837304, 2526293, 2887192, 5052586, 10105172, 20210344]

約数ペア:

[(1, 20210344), (2, 10105172), (4, 5052586), (7, 2887192), (8, 2526293), (11, 1837304), (14, 1443596), (22, 918652), (28, 721798), (43, 470008), (44, 459326), (49, 412456), (56, 360899), (77, 262472), (86, 235004), (88, 229663), (98, 206228), (109, 185416), (154, 131236), (172, 117502), (196, 103114), (218, 92708), (301, 67144), (308, 65618), (344, 58751), (392, 51557), (436, 46354), (473, 42728), (539, 37496), (602, 33572), (616, 32809), (763, 26488), (872, 23177), (946, 21364), (1078, 18748), (1199, 16856), (1204, 16786), (1526, 13244), (1892, 10682), (2107, 9592), (2156, 9374), (2398, 8428), (2408, 8393), (3052, 6622), (3311, 6104), (3784, 5341), (4214, 4796), (4312, 4687)]