20165965415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{54139}}^1$

素因数の和:54287

約数の個数: 32

約数和(自身を含む): 26195097600

約数和(自身を除く): 6029132185

約数列:

[1, 5, 23, 41, 79, 115, 205, 395, 943, 1817, 3239, 4715, 9085, 16195, 54139, 74497, 270695, 372485, 1245197, 2219699, 4276981, 6225985, 11098495, 21384905, 51053077, 98370563, 175356221, 255265385, 491852815, 876781105, 4033193083, 20165965415]

約数ペア:

[(1, 20165965415), (5, 4033193083), (23, 876781105), (41, 491852815), (79, 255265385), (115, 175356221), (205, 98370563), (395, 51053077), (943, 21384905), (1817, 11098495), (3239, 6225985), (4715, 4276981), (9085, 2219699), (16195, 1245197), (54139, 372485), (74497, 270695)]