20809530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 192

約数和(自身を含む): 68739840

約数和(自身を除く): 47930310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 29, 30, 34, 35, 42, 45, 51, 58, 63, 67, 70, 85, 87, 90, 102, 105, 119, 126, 134, 145, 153, 170, 174, 201, 203, 210, 238, 255, 261, 290, 306, 315, 335, 357, 402, 406, 435, 469, 493, 510, 522, 595, 603, 609, 630, 670, 714, 765, 870, 938, 986, 1005, 1015, 1071, 1139, 1190, 1206, 1218, 1305, 1407, 1479, 1530, 1785, 1827, 1943, 2010, 2030, 2142, 2278, 2345, 2465, 2610, 2814, 2958, 3015, 3045, 3417, 3451, 3570, 3654, 3886, 4221, 4437, 4690, 4930, 5355, 5695, 5829, 6030, 6090, 6834, 6902, 7035, 7395, 7973, 8442, 8874, 9135, 9715, 10251, 10353, 10710, 11390, 11658, 13601, 14070, 14790, 15946, 17085, 17255, 17487, 18270, 19430, 20502, 20706, 21105, 22185, 23919, 27202, 29145, 31059, 33031, 34170, 34510, 34974, 39865, 40803, 42210, 44370, 47838, 51255, 51765, 58290, 62118, 66062, 68005, 71757, 79730, 81606, 87435, 99093, 102510, 103530, 119595, 122409, 136010, 143514, 155295, 165155, 174870, 198186, 204015, 231217, 239190, 244818, 297279, 310590, 330310, 358785, 408030, 462434, 495465, 594558, 612045, 693651, 717570, 990930, 1156085, 1224090, 1387302, 1486395, 2080953, 2312170, 2972790, 3468255, 4161906, 6936510, 10404765, 20809530]

約数ペア:

[(1, 20809530), (2, 10404765), (3, 6936510), (5, 4161906), (6, 3468255), (7, 2972790), (9, 2312170), (10, 2080953), (14, 1486395), (15, 1387302), (17, 1224090), (18, 1156085), (21, 990930), (29, 717570), (30, 693651), (34, 612045), (35, 594558), (42, 495465), (45, 462434), (51, 408030), (58, 358785), (63, 330310), (67, 310590), (70, 297279), (85, 244818), (87, 239190), (90, 231217), (102, 204015), (105, 198186), (119, 174870), (126, 165155), (134, 155295), (145, 143514), (153, 136010), (170, 122409), (174, 119595), (201, 103530), (203, 102510), (210, 99093), (238, 87435), (255, 81606), (261, 79730), (290, 71757), (306, 68005), (315, 66062), (335, 62118), (357, 58290), (402, 51765), (406, 51255), (435, 47838), (469, 44370), (493, 42210), (510, 40803), (522, 39865), (595, 34974), (603, 34510), (609, 34170), (630, 33031), (670, 31059), (714, 29145), (765, 27202), (870, 23919), (938, 22185), (986, 21105), (1005, 20706), (1015, 20502), (1071, 19430), (1139, 18270), (1190, 17487), (1206, 17255), (1218, 17085), (1305, 15946), (1407, 14790), (1479, 14070), (1530, 13601), (1785, 11658), (1827, 11390), (1943, 10710), (2010, 10353), (2030, 10251), (2142, 9715), (2278, 9135), (2345, 8874), (2465, 8442), (2610, 7973), (2814, 7395), (2958, 7035), (3015, 6902), (3045, 6834), (3417, 6090), (3451, 6030), (3570, 5829), (3654, 5695), (3886, 5355), (4221, 4930), (4437, 4690)]