20174781760

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1286657}}^1$

素因数の和:1286688

約数の個数: 84

約数和(自身を含む): 55884703572

約数和(自身を除く): 35709921812

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 1286657, 2573314, 5146628, 6433285, 9006599, 10293256, 12866570, 18013198, 20586512, 25733140, 36026396, 41173024, 45032995, 51466280, 63046193, 72052792, 82346048, 90065990, 102932560, 126092386, 144105584, 180131980, 205865120, 252184772, 288211168, 315230965, 360263960, 411730240, 504369544, 576422336, 630461930, 720527920, 1008739088, 1260923860, 1441055840, 2017478176, 2521847720, 2882111680, 4034956352, 5043695440, 10087390880, 20174781760]

約数ペア:

[(1, 20174781760), (2, 10087390880), (4, 5043695440), (5, 4034956352), (7, 2882111680), (8, 2521847720), (10, 2017478176), (14, 1441055840), (16, 1260923860), (20, 1008739088), (28, 720527920), (32, 630461930), (35, 576422336), (40, 504369544), (49, 411730240), (56, 360263960), (64, 315230965), (70, 288211168), (80, 252184772), (98, 205865120), (112, 180131980), (140, 144105584), (160, 126092386), (196, 102932560), (224, 90065990), (245, 82346048), (280, 72052792), (320, 63046193), (392, 51466280), (448, 45032995), (490, 41173024), (560, 36026396), (784, 25733140), (980, 20586512), (1120, 18013198), (1568, 12866570), (1960, 10293256), (2240, 9006599), (3136, 6433285), (3920, 5146628), (7840, 2573314), (15680, 1286657)]