20469183

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{347}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 31882368

約数和(自身を除く): 11413185

約数列:

[1, 3, 7, 21, 53, 159, 347, 371, 1041, 1113, 2429, 2809, 7287, 8427, 18391, 19663, 55173, 58989, 128737, 386211, 974723, 2924169, 6823061, 20469183]

約数ペア:

[(1, 20469183), (3, 6823061), (7, 2924169), (21, 974723), (53, 386211), (159, 128737), (347, 58989), (371, 55173), (1041, 19663), (1113, 18391), (2429, 8427), (2809, 7287)]