20254377

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 32772096

約数和(自身を除く): 12517719

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 1523, 4433, 4569, 13299, 16753, 19799, 47213, 50259, 59397, 141639, 217789, 519343, 613769, 653367, 1558029, 1841307, 6751459, 20254377]

約数ペア:

[(1, 20254377), (3, 6751459), (11, 1841307), (13, 1558029), (31, 653367), (33, 613769), (39, 519343), (93, 217789), (143, 141639), (341, 59397), (403, 50259), (429, 47213), (1023, 19799), (1209, 16753), (1523, 13299), (4433, 4569)]