20145793470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{9661}}^1$

素因数の和:9842

約数の個数: 128

約数和(自身を含む): 54094832640

約数和(自身を除く): 33949039170

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 89, 110, 142, 165, 178, 213, 267, 330, 355, 426, 445, 534, 710, 781, 890, 979, 1065, 1335, 1562, 1958, 2130, 2343, 2670, 2937, 3905, 4686, 4895, 5874, 6319, 7810, 9661, 9790, 11715, 12638, 14685, 18957, 19322, 23430, 28983, 29370, 31595, 37914, 48305, 57966, 63190, 69509, 94785, 96610, 106271, 139018, 144915, 189570, 208527, 212542, 289830, 318813, 347545, 417054, 531355, 637626, 685931, 695090, 859829, 1042635, 1062710, 1371862, 1594065, 1719658, 2057793, 2085270, 2579487, 3188130, 3429655, 4115586, 4299145, 5158974, 6859310, 7545241, 8598290, 9458119, 10288965, 12897435, 15090482, 18916238, 20577930, 22635723, 25794870, 28374357, 37726205, 45271446, 47290595, 56748714, 61047859, 75452410, 94581190, 113178615, 122095718, 141871785, 183143577, 226357230, 283743570, 305239295, 366287154, 610478590, 671526449, 915717885, 1343052898, 1831435770, 2014579347, 3357632245, 4029158694, 6715264490, 10072896735, 20145793470]

約数ペア:

[(1, 20145793470), (2, 10072896735), (3, 6715264490), (5, 4029158694), (6, 3357632245), (10, 2014579347), (11, 1831435770), (15, 1343052898), (22, 915717885), (30, 671526449), (33, 610478590), (55, 366287154), (66, 305239295), (71, 283743570), (89, 226357230), (110, 183143577), (142, 141871785), (165, 122095718), (178, 113178615), (213, 94581190), (267, 75452410), (330, 61047859), (355, 56748714), (426, 47290595), (445, 45271446), (534, 37726205), (710, 28374357), (781, 25794870), (890, 22635723), (979, 20577930), (1065, 18916238), (1335, 15090482), (1562, 12897435), (1958, 10288965), (2130, 9458119), (2343, 8598290), (2670, 7545241), (2937, 6859310), (3905, 5158974), (4686, 4299145), (4895, 4115586), (5874, 3429655), (6319, 3188130), (7810, 2579487), (9661, 2085270), (9790, 2057793), (11715, 1719658), (12638, 1594065), (14685, 1371862), (18957, 1062710), (19322, 1042635), (23430, 859829), (28983, 695090), (29370, 685931), (31595, 637626), (37914, 531355), (48305, 417054), (57966, 347545), (63190, 318813), (69509, 289830), (94785, 212542), (96610, 208527), (106271, 189570), (139018, 144915)]