20178651897

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{1427}}^1\times {\mathrm{21523}}^1$

素因数の和:23029

約数の個数: 24

約数和(自身を含む): 29568293664

約数和(自身を除く): 9389641767

約数列:

[1, 3, 9, 73, 219, 657, 1427, 4281, 12843, 21523, 64569, 104171, 193707, 312513, 937539, 1571179, 4713537, 14140611, 30713321, 92139963, 276419889, 2242072433, 6726217299, 20178651897]

約数ペア:

[(1, 20178651897), (3, 6726217299), (9, 2242072433), (73, 276419889), (219, 92139963), (657, 30713321), (1427, 14140611), (4281, 4713537), (12843, 1571179), (21523, 937539), (64569, 312513), (104171, 193707)]