20256423

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19801}}^1$

素因数の和:19846

約数の個数: 16

約数和(自身を含む): 30415872

約数和(自身を除く): 10159449

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 19801, 59403, 217811, 613831, 653433, 1841493, 6752141, 20256423]

約数ペア:

[(1, 20256423), (3, 6752141), (11, 1841493), (31, 653433), (33, 613831), (93, 217811), (341, 59403), (1023, 19801)]