20817424

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9497}}^1$

素因数の和:9642

約数の個数: 20

約数和(自身を含む): 40632444

約数和(自身を除く): 19815020

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9497, 18994, 37988, 75976, 151952, 1301089, 2602178, 5204356, 10408712, 20817424]

約数ペア:

[(1, 20817424), (2, 10408712), (4, 5204356), (8, 2602178), (16, 1301089), (137, 151952), (274, 75976), (548, 37988), (1096, 18994), (2192, 9497)]