20083779

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 30722640

約数和(自身を除く): 10638861

約数列:

[1, 3, 9, 19, 57, 171, 257, 457, 771, 1371, 2313, 4113, 4883, 8683, 14649, 26049, 43947, 78147, 117449, 352347, 1057041, 2231531, 6694593, 20083779]

約数ペア:

[(1, 20083779), (3, 6694593), (9, 2231531), (19, 1057041), (57, 352347), (171, 117449), (257, 78147), (457, 43947), (771, 26049), (1371, 14649), (2313, 8683), (4113, 4883)]