20552661

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 31437120

約数和(自身を除く): 10884459

約数列:

[1, 3, 9, 19, 57, 171, 263, 457, 789, 1371, 2367, 4113, 4997, 8683, 14991, 26049, 44973, 78147, 120191, 360573, 1081719, 2283629, 6850887, 20552661]

約数ペア:

[(1, 20552661), (3, 6850887), (9, 2283629), (19, 1081719), (57, 360573), (171, 120191), (263, 78147), (457, 44973), (789, 26049), (1371, 14991), (2367, 8683), (4113, 4997)]