20123997124

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2089}}^1\times {\mathrm{31277}}^1$

素因数の和:33388

約数の個数: 48

約数和(自身を含む): 43929325440

約数和(自身を除く): 23805328316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 2089, 4178, 8356, 14623, 22979, 29246, 31277, 45958, 58492, 62554, 91916, 125108, 160853, 218939, 321706, 344047, 437878, 643412, 688094, 875756, 1376188, 2408329, 4816658, 9633316, 65337653, 130675306, 261350612, 457363571, 718714183, 914727142, 1437428366, 1829454284, 2874856732, 5030999281, 10061998562, 20123997124]

約数ペア:

[(1, 20123997124), (2, 10061998562), (4, 5030999281), (7, 2874856732), (11, 1829454284), (14, 1437428366), (22, 914727142), (28, 718714183), (44, 457363571), (77, 261350612), (154, 130675306), (308, 65337653), (2089, 9633316), (4178, 4816658), (8356, 2408329), (14623, 1376188), (22979, 875756), (29246, 688094), (31277, 643412), (45958, 437878), (58492, 344047), (62554, 321706), (91916, 218939), (125108, 160853)]