20931372009

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{11813}}^1$

素因数の和:12186

約数の個数: 48

約数和(自身を含む): 32985727632

約数和(自身を除く): 12054355623

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 313, 333, 629, 939, 1887, 2817, 5321, 5661, 11581, 11813, 15963, 34743, 35439, 47889, 104229, 106317, 196877, 200821, 437081, 590631, 602463, 1311243, 1771893, 1807389, 3697469, 3933729, 7430377, 11092407, 22291131, 33277221, 62856973, 66873393, 136806353, 188570919, 410419059, 565712757, 1231257177, 2325708001, 6977124003, 20931372009]

約数ペア:

[(1, 20931372009), (3, 6977124003), (9, 2325708001), (17, 1231257177), (37, 565712757), (51, 410419059), (111, 188570919), (153, 136806353), (313, 66873393), (333, 62856973), (629, 33277221), (939, 22291131), (1887, 11092407), (2817, 7430377), (5321, 3933729), (5661, 3697469), (11581, 1807389), (11813, 1771893), (15963, 1311243), (34743, 602463), (35439, 590631), (47889, 437081), (104229, 200821), (106317, 196877)]