20910784

素因数分解:

$2^6\times {\mathrm{397}}^1\times {\mathrm{823}}^1$

素因数の和:1232

約数の個数: 28

約数和(自身を含む): 41649904

約数和(自身を除く): 20739120

約数列:

[1, 2, 4, 8, 16, 32, 64, 397, 794, 823, 1588, 1646, 3176, 3292, 6352, 6584, 12704, 13168, 25408, 26336, 52672, 326731, 653462, 1306924, 2613848, 5227696, 10455392, 20910784]

約数ペア:

[(1, 20910784), (2, 10455392), (4, 5227696), (8, 2613848), (16, 1306924), (32, 653462), (64, 326731), (397, 52672), (794, 26336), (823, 25408), (1588, 13168), (1646, 12704), (3176, 6584), (3292, 6352)]