20295600843

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 31848284160

約数和(自身を除く): 11552683317

約数列:

[1, 3, 7, 21, 71, 101, 213, 303, 307, 439, 497, 707, 921, 1317, 1491, 2121, 2149, 3073, 6447, 7171, 9219, 21513, 21797, 31007, 31169, 44339, 50197, 65391, 93021, 93507, 133017, 134773, 150591, 152579, 217049, 218183, 310373, 404319, 457737, 651147, 654549, 931119, 943411, 2201497, 2830233, 3148069, 6604491, 9444207, 9568883, 13612073, 15410479, 22036483, 28706649, 40836219, 46231437, 66109449, 66982181, 95284511, 200946543, 285853533, 966457183, 2899371549, 6765200281, 20295600843]

約数ペア:

[(1, 20295600843), (3, 6765200281), (7, 2899371549), (21, 966457183), (71, 285853533), (101, 200946543), (213, 95284511), (303, 66982181), (307, 66109449), (439, 46231437), (497, 40836219), (707, 28706649), (921, 22036483), (1317, 15410479), (1491, 13612073), (2121, 9568883), (2149, 9444207), (3073, 6604491), (6447, 3148069), (7171, 2830233), (9219, 2201497), (21513, 943411), (21797, 931119), (31007, 654549), (31169, 651147), (44339, 457737), (50197, 404319), (65391, 310373), (93021, 218183), (93507, 217049), (133017, 152579), (134773, 150591)]