20097220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7027}}^1$

素因数の和:7060

約数の個数: 48

約数和(自身を含む): 49589568

約数和(自身を除く): 29492348

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 7027, 14054, 28108, 35135, 70270, 77297, 91351, 140540, 154594, 182702, 309188, 365404, 386485, 456755, 772970, 913510, 1004861, 1545940, 1827020, 2009722, 4019444, 5024305, 10048610, 20097220]

約数ペア:

[(1, 20097220), (2, 10048610), (4, 5024305), (5, 4019444), (10, 2009722), (11, 1827020), (13, 1545940), (20, 1004861), (22, 913510), (26, 772970), (44, 456755), (52, 386485), (55, 365404), (65, 309188), (110, 182702), (130, 154594), (143, 140540), (220, 91351), (260, 77297), (286, 70270), (572, 35135), (715, 28108), (1430, 14054), (2860, 7027)]