20090052724

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{64997}}^1$

素因数の和:65117

約数の個数: 72

約数和(自身を含む): 43569459360

約数和(自身を除く): 23479406636

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 83, 98, 133, 166, 196, 266, 332, 532, 581, 931, 1162, 1577, 1862, 2324, 3154, 3724, 4067, 6308, 8134, 11039, 16268, 22078, 44156, 64997, 77273, 129994, 154546, 259988, 309092, 454979, 909958, 1234943, 1819916, 2469886, 3184853, 4939772, 5394751, 6369706, 8644601, 10789502, 12739412, 17289202, 21579004, 34578404, 37763257, 60512207, 75526514, 102500269, 121024414, 151053028, 205000538, 242048828, 264342799, 410001076, 528685598, 717501883, 1057371196, 1435003766, 2870007532, 5022513181, 10045026362, 20090052724]

約数ペア:

[(1, 20090052724), (2, 10045026362), (4, 5022513181), (7, 2870007532), (14, 1435003766), (19, 1057371196), (28, 717501883), (38, 528685598), (49, 410001076), (76, 264342799), (83, 242048828), (98, 205000538), (133, 151053028), (166, 121024414), (196, 102500269), (266, 75526514), (332, 60512207), (532, 37763257), (581, 34578404), (931, 21579004), (1162, 17289202), (1577, 12739412), (1862, 10789502), (2324, 8644601), (3154, 6369706), (3724, 5394751), (4067, 4939772), (6308, 3184853), (8134, 2469886), (11039, 1819916), (16268, 1234943), (22078, 909958), (44156, 454979), (64997, 309092), (77273, 259988), (129994, 154546)]