20846484

素因数分解:

$2^2\times 3^7\times {\mathrm{2383}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 54736640

約数和(自身を除く): 33890156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2383, 2916, 4374, 4766, 7149, 8748, 9532, 14298, 21447, 28596, 42894, 64341, 85788, 128682, 193023, 257364, 386046, 579069, 772092, 1158138, 1737207, 2316276, 3474414, 5211621, 6948828, 10423242, 20846484]

約数ペア:

[(1, 20846484), (2, 10423242), (3, 6948828), (4, 5211621), (6, 3474414), (9, 2316276), (12, 1737207), (18, 1158138), (27, 772092), (36, 579069), (54, 386046), (81, 257364), (108, 193023), (162, 128682), (243, 85788), (324, 64341), (486, 42894), (729, 28596), (972, 21447), (1458, 14298), (2187, 9532), (2383, 8748), (2916, 7149), (4374, 4766)]