20356156975

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{48731}}^1$

素因数の和:48797

約数の個数: 72

約数和(自身を含む): 33066026496

約数和(自身を除く): 12709869521

約数列:

[1, 5, 7, 11, 25, 31, 35, 49, 55, 77, 155, 175, 217, 245, 275, 341, 385, 539, 775, 1085, 1225, 1519, 1705, 1925, 2387, 2695, 5425, 7595, 8525, 11935, 13475, 16709, 37975, 48731, 59675, 83545, 243655, 341117, 417725, 536041, 1218275, 1510661, 1705585, 2387819, 2680205, 3752287, 7553305, 8527925, 10574627, 11939095, 13401025, 16617271, 18761435, 26266009, 37766525, 52873135, 59695475, 74022389, 83086355, 93807175, 116320897, 131330045, 264365675, 370111945, 415431775, 581604485, 656650225, 814246279, 1850559725, 2908022425, 4071231395, 20356156975]

約数ペア:

[(1, 20356156975), (5, 4071231395), (7, 2908022425), (11, 1850559725), (25, 814246279), (31, 656650225), (35, 581604485), (49, 415431775), (55, 370111945), (77, 264365675), (155, 131330045), (175, 116320897), (217, 93807175), (245, 83086355), (275, 74022389), (341, 59695475), (385, 52873135), (539, 37766525), (775, 26266009), (1085, 18761435), (1225, 16617271), (1519, 13401025), (1705, 11939095), (1925, 10574627), (2387, 8527925), (2695, 7553305), (5425, 3752287), (7595, 2680205), (8525, 2387819), (11935, 1705585), (13475, 1510661), (16709, 1218275), (37975, 536041), (48731, 417725), (59675, 341117), (83545, 243655)]