20758356

素因数分解:

$2^2\times 3^4\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:906

約数の個数: 60

約数和(自身を含む): 55021120

約数和(自身を除く): 34262764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 316, 324, 474, 711, 811, 948, 1422, 1622, 2133, 2433, 2844, 3244, 4266, 4866, 6399, 7299, 8532, 9732, 12798, 14598, 21897, 25596, 29196, 43794, 64069, 65691, 87588, 128138, 131382, 192207, 256276, 262764, 384414, 576621, 768828, 1153242, 1729863, 2306484, 3459726, 5189589, 6919452, 10379178, 20758356]

約数ペア:

[(1, 20758356), (2, 10379178), (3, 6919452), (4, 5189589), (6, 3459726), (9, 2306484), (12, 1729863), (18, 1153242), (27, 768828), (36, 576621), (54, 384414), (79, 262764), (81, 256276), (108, 192207), (158, 131382), (162, 128138), (237, 87588), (316, 65691), (324, 64069), (474, 43794), (711, 29196), (811, 25596), (948, 21897), (1422, 14598), (1622, 12798), (2133, 9732), (2433, 8532), (2844, 7299), (3244, 6399), (4266, 4866)]