20939928724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1187}}^1\times {\mathrm{30841}}^1$

素因数の和:32056

約数の個数: 48

約数和(自身を含む): 43088988096

約数和(自身を除く): 22149059372

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 1187, 2374, 4748, 13057, 15431, 26114, 30841, 30862, 52228, 61682, 61724, 123364, 169741, 339251, 339482, 400933, 678502, 678964, 801866, 1357004, 1603732, 4410263, 8820526, 17641052, 36608267, 73216534, 146433068, 402690937, 475907471, 805381874, 951814942, 1610763748, 1903629884, 5234982181, 10469964362, 20939928724]

約数ペア:

[(1, 20939928724), (2, 10469964362), (4, 5234982181), (11, 1903629884), (13, 1610763748), (22, 951814942), (26, 805381874), (44, 475907471), (52, 402690937), (143, 146433068), (286, 73216534), (572, 36608267), (1187, 17641052), (2374, 8820526), (4748, 4410263), (13057, 1603732), (15431, 1357004), (26114, 801866), (30841, 678964), (30862, 678502), (52228, 400933), (61682, 339482), (61724, 339251), (123364, 169741)]