20102193980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2469557}}^1$

素因数の和:2469614

約数の個数: 48

約数和(自身を含む): 47296974816

約数和(自身を除く): 27194780836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 2469557, 4939114, 9878228, 12347785, 24695570, 27165127, 49391140, 54330254, 91373609, 108660508, 135825635, 182747218, 271651270, 365494436, 456868045, 543302540, 913736090, 1005109699, 1827472180, 2010219398, 4020438796, 5025548495, 10051096990, 20102193980]

約数ペア:

[(1, 20102193980), (2, 10051096990), (4, 5025548495), (5, 4020438796), (10, 2010219398), (11, 1827472180), (20, 1005109699), (22, 913736090), (37, 543302540), (44, 456868045), (55, 365494436), (74, 271651270), (110, 182747218), (148, 135825635), (185, 108660508), (220, 91373609), (370, 54330254), (407, 49391140), (740, 27165127), (814, 24695570), (1628, 12347785), (2035, 9878228), (4070, 4939114), (8140, 2469557)]