20186968988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1\times {\mathrm{719}}^1$

素因数の和:1491

約数の個数: 96

約数和(自身を含む): 40758681600

約数和(自身を除く): 20571712612

約数列:

[1, 2, 4, 17, 19, 31, 34, 38, 62, 68, 76, 124, 323, 527, 589, 646, 701, 719, 1054, 1178, 1292, 1402, 1438, 2108, 2356, 2804, 2876, 10013, 11917, 12223, 13319, 13661, 20026, 21731, 22289, 23834, 24446, 26638, 27322, 40052, 43462, 44578, 47668, 48892, 53276, 54644, 86924, 89156, 226423, 232237, 369427, 378913, 412889, 423491, 452846, 464474, 504019, 738854, 757826, 825778, 846982, 905692, 928948, 1008038, 1477708, 1515652, 1651556, 1693964, 2016076, 7019113, 7199347, 8568323, 9576361, 14038226, 14398694, 15624589, 17136646, 19152722, 28076452, 28797388, 31249178, 34273292, 38305444, 62498356, 162798137, 265618013, 296867191, 325596274, 531236026, 593734382, 651192548, 1062472052, 1187468764, 5046742247, 10093484494, 20186968988]

約数ペア:

[(1, 20186968988), (2, 10093484494), (4, 5046742247), (17, 1187468764), (19, 1062472052), (31, 651192548), (34, 593734382), (38, 531236026), (62, 325596274), (68, 296867191), (76, 265618013), (124, 162798137), (323, 62498356), (527, 38305444), (589, 34273292), (646, 31249178), (701, 28797388), (719, 28076452), (1054, 19152722), (1178, 17136646), (1292, 15624589), (1402, 14398694), (1438, 14038226), (2108, 9576361), (2356, 8568323), (2804, 7199347), (2876, 7019113), (10013, 2016076), (11917, 1693964), (12223, 1651556), (13319, 1515652), (13661, 1477708), (20026, 1008038), (21731, 928948), (22289, 905692), (23834, 846982), (24446, 825778), (26638, 757826), (27322, 738854), (40052, 504019), (43462, 464474), (44578, 452846), (47668, 423491), (48892, 412889), (53276, 378913), (54644, 369427), (86924, 232237), (89156, 226423)]