20288519335

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 30240241920

約数和(自身を除く): 9951722585

約数列:

[1, 5, 7, 29, 35, 41, 49, 145, 203, 205, 245, 257, 271, 287, 1015, 1189, 1285, 1355, 1421, 1435, 1799, 1897, 2009, 5945, 7105, 7453, 7859, 8323, 8995, 9485, 10045, 10537, 11111, 12593, 13279, 37265, 39295, 41615, 52171, 52685, 55013, 55555, 58261, 62965, 66395, 69647, 73759, 77777, 260855, 275065, 291305, 305573, 322219, 348235, 365197, 368795, 385091, 388885, 487529, 516313, 544439, 1527865, 1611095, 1825985, 1925455, 2019763, 2139011, 2255533, 2437645, 2581565, 2722195, 2855527, 3412703, 10098815, 10695055, 11277665, 14138341, 14277635, 14973077, 15788731, 17063515, 19988689, 70691705, 74865385, 78943655, 82810283, 98968387, 99943445, 139920823, 414051415, 494841935, 579671981, 699604115, 2898359905, 4057703867, 20288519335]

約数ペア:

[(1, 20288519335), (5, 4057703867), (7, 2898359905), (29, 699604115), (35, 579671981), (41, 494841935), (49, 414051415), (145, 139920823), (203, 99943445), (205, 98968387), (245, 82810283), (257, 78943655), (271, 74865385), (287, 70691705), (1015, 19988689), (1189, 17063515), (1285, 15788731), (1355, 14973077), (1421, 14277635), (1435, 14138341), (1799, 11277665), (1897, 10695055), (2009, 10098815), (5945, 3412703), (7105, 2855527), (7453, 2722195), (7859, 2581565), (8323, 2437645), (8995, 2255533), (9485, 2139011), (10045, 2019763), (10537, 1925455), (11111, 1825985), (12593, 1611095), (13279, 1527865), (37265, 544439), (39295, 516313), (41615, 487529), (52171, 388885), (52685, 385091), (55013, 368795), (55555, 365197), (58261, 348235), (62965, 322219), (66395, 305573), (69647, 291305), (73759, 275065), (77777, 260855)]