20066816

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1$

素因数の和:545

約数の個数: 80

約数和(自身を含む): 50086080

約数和(自身を除く): 30019264

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 509, 512, 616, 704, 896, 1018, 1232, 1408, 1792, 2036, 2464, 2816, 3563, 3584, 4072, 4928, 5599, 5632, 7126, 8144, 9856, 11198, 14252, 16288, 19712, 22396, 28504, 32576, 39193, 39424, 44792, 57008, 65152, 78386, 89584, 114016, 130304, 156772, 179168, 228032, 260608, 313544, 358336, 456064, 627088, 716672, 912128, 1254176, 1433344, 1824256, 2508352, 2866688, 5016704, 10033408, 20066816]

約数ペア:

[(1, 20066816), (2, 10033408), (4, 5016704), (7, 2866688), (8, 2508352), (11, 1824256), (14, 1433344), (16, 1254176), (22, 912128), (28, 716672), (32, 627088), (44, 456064), (56, 358336), (64, 313544), (77, 260608), (88, 228032), (112, 179168), (128, 156772), (154, 130304), (176, 114016), (224, 89584), (256, 78386), (308, 65152), (352, 57008), (448, 44792), (509, 39424), (512, 39193), (616, 32576), (704, 28504), (896, 22396), (1018, 19712), (1232, 16288), (1408, 14252), (1792, 11198), (2036, 9856), (2464, 8144), (2816, 7126), (3563, 5632), (3584, 5599), (4072, 4928)]