20558589

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 29699712

約数和(自身を除く): 9141123

約数列:

[1, 3, 19, 41, 57, 123, 361, 463, 779, 1083, 1389, 2337, 8797, 14801, 18983, 26391, 44403, 56949, 167143, 360677, 501429, 1082031, 6852863, 20558589]

約数ペア:

[(1, 20558589), (3, 6852863), (19, 1082031), (41, 501429), (57, 360677), (123, 167143), (361, 56949), (463, 44403), (779, 26391), (1083, 18983), (1389, 14801), (2337, 8797)]