20178086140

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{81043}}^1$

素因数の和:81322

約数の個数: 48

約数和(自身を含む): 43296946560

約数和(自身を除く): 23118860420

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 211, 236, 295, 422, 590, 844, 1055, 1180, 2110, 4220, 12449, 24898, 49796, 62245, 81043, 124490, 162086, 248980, 324172, 405215, 810430, 1620860, 4781537, 9563074, 17100073, 19126148, 23907685, 34200146, 47815370, 68400292, 85500365, 95630740, 171000730, 342001460, 1008904307, 2017808614, 4035617228, 5044521535, 10089043070, 20178086140]

約数ペア:

[(1, 20178086140), (2, 10089043070), (4, 5044521535), (5, 4035617228), (10, 2017808614), (20, 1008904307), (59, 342001460), (118, 171000730), (211, 95630740), (236, 85500365), (295, 68400292), (422, 47815370), (590, 34200146), (844, 23907685), (1055, 19126148), (1180, 17100073), (2110, 9563074), (4220, 4781537), (12449, 1620860), (24898, 810430), (49796, 405215), (62245, 324172), (81043, 248980), (124490, 162086)]