20126279404

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131479}}^1$

素因数の和:131579

約数の個数: 72

約数和(自身を含む): 45325889280

約数和(自身を除く): 25199609876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 142, 154, 196, 284, 308, 497, 539, 781, 994, 1078, 1562, 1988, 2156, 3124, 3479, 5467, 6958, 10934, 13916, 21868, 38269, 76538, 131479, 153076, 262958, 525916, 920353, 1446269, 1840706, 2892538, 3681412, 5785076, 6442471, 9335009, 10123883, 12884942, 18670018, 20247766, 25769884, 37340036, 40495532, 65345063, 70867181, 102685099, 130690126, 141734362, 205370198, 261380252, 283468724, 410740396, 457415441, 718795693, 914830882, 1437591386, 1829661764, 2875182772, 5031569851, 10063139702, 20126279404]

約数ペア:

[(1, 20126279404), (2, 10063139702), (4, 5031569851), (7, 2875182772), (11, 1829661764), (14, 1437591386), (22, 914830882), (28, 718795693), (44, 457415441), (49, 410740396), (71, 283468724), (77, 261380252), (98, 205370198), (142, 141734362), (154, 130690126), (196, 102685099), (284, 70867181), (308, 65345063), (497, 40495532), (539, 37340036), (781, 25769884), (994, 20247766), (1078, 18670018), (1562, 12884942), (1988, 10123883), (2156, 9335009), (3124, 6442471), (3479, 5785076), (5467, 3681412), (6958, 2892538), (10934, 1840706), (13916, 1446269), (21868, 920353), (38269, 525916), (76538, 262958), (131479, 153076)]