20512115885884

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^2\times {\mathrm{263}}^1\times {\mathrm{180137}}^1$

素因数の和:180512

約数の個数: 108

約数和(自身を含む): 42826611942576

約数和(自身を除く): 22314496056692

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 263, 329, 526, 658, 1052, 1316, 1841, 2209, 2303, 3682, 4418, 4606, 7364, 8836, 9212, 12361, 12887, 15463, 24722, 25774, 30926, 49444, 51548, 61852, 86527, 108241, 173054, 180137, 216482, 346108, 360274, 432964, 580967, 605689, 720548, 1161934, 1211378, 1260959, 2323868, 2422756, 2521918, 4066769, 5043836, 8133538, 8466439, 8826713, 16267076, 16932878, 17653426, 28467383, 33865756, 35306852, 47376031, 56934766, 59265073, 94752062, 113869532, 118530146, 189504124, 237060292, 331632217, 397922633, 414855511, 663264434, 795845266, 829711022, 1326528868, 1591690532, 1659422044, 2226673457, 2321425519, 2785458431, 4453346914, 4642851038, 5570916862, 8906693828, 9285702076, 11141833724, 15586714199, 19498209017, 31173428398, 38996418034, 62346856796, 77992836068, 104653652479, 109106999393, 209307304958, 218213998786, 418614609916, 436427997572, 732575567353, 1465151134706, 2930302269412, 5128028971471, 10256057942942, 20512115885884]

約数ペア:

[(1, 20512115885884), (2, 10256057942942), (4, 5128028971471), (7, 2930302269412), (14, 1465151134706), (28, 732575567353), (47, 436427997572), (49, 418614609916), (94, 218213998786), (98, 209307304958), (188, 109106999393), (196, 104653652479), (263, 77992836068), (329, 62346856796), (526, 38996418034), (658, 31173428398), (1052, 19498209017), (1316, 15586714199), (1841, 11141833724), (2209, 9285702076), (2303, 8906693828), (3682, 5570916862), (4418, 4642851038), (4606, 4453346914), (7364, 2785458431), (8836, 2321425519), (9212, 2226673457), (12361, 1659422044), (12887, 1591690532), (15463, 1326528868), (24722, 829711022), (25774, 795845266), (30926, 663264434), (49444, 414855511), (51548, 397922633), (61852, 331632217), (86527, 237060292), (108241, 189504124), (173054, 118530146), (180137, 113869532), (216482, 94752062), (346108, 59265073), (360274, 56934766), (432964, 47376031), (580967, 35306852), (605689, 33865756), (720548, 28467383), (1161934, 17653426), (1211378, 16932878), (1260959, 16267076), (2323868, 8826713), (2422756, 8466439), (2521918, 8133538), (4066769, 5043836)]