20826676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4129}}^1$

素因数の和:4243

約数の個数: 24

約数和(自身を含む): 39664520

約数和(自身を除く): 18837844

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 4129, 5044, 8258, 16516, 53677, 107354, 214708, 400513, 801026, 1602052, 5206669, 10413338, 20826676]

約数ペア:

[(1, 20826676), (2, 10413338), (4, 5206669), (13, 1602052), (26, 801026), (52, 400513), (97, 214708), (194, 107354), (388, 53677), (1261, 16516), (2522, 8258), (4129, 5044)]