20199499180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{7591}}^1$

素因数の和:7919

約数の個数: 96

約数和(自身を含む): 49283619840

約数和(自身を除く): 29084120660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 229, 332, 415, 458, 581, 830, 916, 1145, 1162, 1603, 1660, 2290, 2324, 2905, 3206, 4580, 5810, 6412, 7591, 8015, 11620, 15182, 16030, 19007, 30364, 32060, 37955, 38014, 53137, 75910, 76028, 95035, 106274, 133049, 151820, 190070, 212548, 265685, 266098, 380140, 531370, 532196, 630053, 665245, 1062740, 1260106, 1330490, 1738339, 2520212, 2660980, 3150265, 3476678, 4410371, 6300530, 6953356, 8691695, 8820742, 12168373, 12601060, 17383390, 17641484, 22051855, 24336746, 34766780, 44103710, 48673492, 60841865, 88207420, 121683730, 144282137, 243367460, 288564274, 577128548, 721410685, 1009974959, 1442821370, 2019949918, 2885642740, 4039899836, 5049874795, 10099749590, 20199499180]

約数ペア:

[(1, 20199499180), (2, 10099749590), (4, 5049874795), (5, 4039899836), (7, 2885642740), (10, 2019949918), (14, 1442821370), (20, 1009974959), (28, 721410685), (35, 577128548), (70, 288564274), (83, 243367460), (140, 144282137), (166, 121683730), (229, 88207420), (332, 60841865), (415, 48673492), (458, 44103710), (581, 34766780), (830, 24336746), (916, 22051855), (1145, 17641484), (1162, 17383390), (1603, 12601060), (1660, 12168373), (2290, 8820742), (2324, 8691695), (2905, 6953356), (3206, 6300530), (4580, 4410371), (5810, 3476678), (6412, 3150265), (7591, 2660980), (8015, 2520212), (11620, 1738339), (15182, 1330490), (16030, 1260106), (19007, 1062740), (30364, 665245), (32060, 630053), (37955, 532196), (38014, 531370), (53137, 380140), (75910, 266098), (76028, 265685), (95035, 212548), (106274, 190070), (133049, 151820)]