20080984

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4657}}^1$

素因数の和:4688

約数の個数: 48

約数和(自身を含む): 47791080

約数和(自身を除く): 27710096

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4657, 9314, 18628, 32599, 37256, 51227, 65198, 102454, 130396, 204908, 228193, 260792, 358589, 409816, 456386, 717178, 912772, 1434356, 1825544, 2510123, 2868712, 5020246, 10040492, 20080984]

約数ペア:

[(1, 20080984), (2, 10040492), (4, 5020246), (7, 2868712), (8, 2510123), (11, 1825544), (14, 1434356), (22, 912772), (28, 717178), (44, 456386), (49, 409816), (56, 358589), (77, 260792), (88, 228193), (98, 204908), (154, 130396), (196, 102454), (308, 65198), (392, 51227), (539, 37256), (616, 32599), (1078, 18628), (2156, 9314), (4312, 4657)]