20005938736

素因数分解:

$2^4\times 7^4\times {\mathrm{19}}^1\times {\mathrm{27409}}^1$

素因数の和:27464

約数の個数: 100

約数和(自身を含む): 47600754200

約数和(自身を除く): 27594815464

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 343, 392, 532, 686, 784, 931, 1064, 1372, 1862, 2128, 2401, 2744, 3724, 4802, 5488, 6517, 7448, 9604, 13034, 14896, 19208, 26068, 27409, 38416, 45619, 52136, 54818, 91238, 104272, 109636, 182476, 191863, 219272, 364952, 383726, 438544, 520771, 729904, 767452, 1041542, 1343041, 1534904, 2083084, 2686082, 3069808, 3645397, 4166168, 5372164, 7290794, 8332336, 9401287, 10744328, 14581588, 18802574, 21488656, 25517779, 29163176, 37605148, 51035558, 58326352, 65809009, 75210296, 102071116, 131618018, 150420592, 178624453, 204142232, 263236036, 357248906, 408284464, 526472072, 714497812, 1052944144, 1250371171, 1428995624, 2500742342, 2857991248, 5001484684, 10002969368, 20005938736]

約数ペア:

[(1, 20005938736), (2, 10002969368), (4, 5001484684), (7, 2857991248), (8, 2500742342), (14, 1428995624), (16, 1250371171), (19, 1052944144), (28, 714497812), (38, 526472072), (49, 408284464), (56, 357248906), (76, 263236036), (98, 204142232), (112, 178624453), (133, 150420592), (152, 131618018), (196, 102071116), (266, 75210296), (304, 65809009), (343, 58326352), (392, 51035558), (532, 37605148), (686, 29163176), (784, 25517779), (931, 21488656), (1064, 18802574), (1372, 14581588), (1862, 10744328), (2128, 9401287), (2401, 8332336), (2744, 7290794), (3724, 5372164), (4802, 4166168), (5488, 3645397), (6517, 3069808), (7448, 2686082), (9604, 2083084), (13034, 1534904), (14896, 1343041), (19208, 1041542), (26068, 767452), (27409, 729904), (38416, 520771), (45619, 438544), (52136, 383726), (54818, 364952), (91238, 219272), (104272, 191863), (109636, 182476)]