20841796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9887}}^1$

素因数の和:9939

約数の個数: 24

約数和(自身を含む): 39868416

約数和(自身を除く): 19026620

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 9887, 19774, 39548, 168079, 306497, 336158, 612994, 672316, 1225988, 5210449, 10420898, 20841796]

約数ペア:

[(1, 20841796), (2, 10420898), (4, 5210449), (17, 1225988), (31, 672316), (34, 612994), (62, 336158), (68, 306497), (124, 168079), (527, 39548), (1054, 19774), (2108, 9887)]