20342499254

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:1031

約数の個数: 128

約数和(自身を含む): 40327372800

約数和(自身を除く): 19984873546

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 71, 77, 86, 98, 142, 154, 301, 343, 473, 497, 539, 602, 686, 781, 883, 946, 994, 1078, 1562, 1766, 2107, 3053, 3311, 3479, 3773, 4214, 5467, 6106, 6181, 6622, 6958, 7546, 9713, 10934, 12362, 14749, 19426, 21371, 23177, 24353, 29498, 33583, 37969, 38269, 42742, 43267, 46354, 48706, 62693, 67166, 67991, 75938, 76538, 86534, 125386, 135982, 149597, 162239, 235081, 265783, 267883, 299194, 302869, 324478, 417659, 438851, 470162, 475937, 531566, 535766, 605738, 689623, 835318, 877702, 951874, 1047179, 1379246, 1645567, 1860481, 2094358, 2695799, 2923613, 3071957, 3291134, 3331559, 3720962, 4827361, 5391598, 5847226, 6143914, 6663118, 9654722, 11518969, 13023367, 18870593, 20465291, 21503699, 23037938, 26046734, 29653789, 33791527, 37741186, 40930582, 43007398, 59307578, 67583054, 132094151, 143257037, 207576523, 236540689, 264188302, 286514074, 415153046, 473081378, 924659057, 1453035661, 1849318114, 2906071322, 10171249627, 20342499254]

約数ペア:

[(1, 20342499254), (2, 10171249627), (7, 2906071322), (11, 1849318114), (14, 1453035661), (22, 924659057), (43, 473081378), (49, 415153046), (71, 286514074), (77, 264188302), (86, 236540689), (98, 207576523), (142, 143257037), (154, 132094151), (301, 67583054), (343, 59307578), (473, 43007398), (497, 40930582), (539, 37741186), (602, 33791527), (686, 29653789), (781, 26046734), (883, 23037938), (946, 21503699), (994, 20465291), (1078, 18870593), (1562, 13023367), (1766, 11518969), (2107, 9654722), (3053, 6663118), (3311, 6143914), (3479, 5847226), (3773, 5391598), (4214, 4827361), (5467, 3720962), (6106, 3331559), (6181, 3291134), (6622, 3071957), (6958, 2923613), (7546, 2695799), (9713, 2094358), (10934, 1860481), (12362, 1645567), (14749, 1379246), (19426, 1047179), (21371, 951874), (23177, 877702), (24353, 835318), (29498, 689623), (33583, 605738), (37969, 535766), (38269, 531566), (42742, 475937), (43267, 470162), (46354, 438851), (48706, 417659), (62693, 324478), (67166, 302869), (67991, 299194), (75938, 267883), (76538, 265783), (86534, 235081), (125386, 162239), (135982, 149597)]