20472712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196853}}^1$

素因数の和:196872

約数の個数: 16

約数和(自身を含む): 41339340

約数和(自身を除く): 20866628

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196853, 393706, 787412, 1574824, 2559089, 5118178, 10236356, 20472712]

約数ペア:

[(1, 20472712), (2, 10236356), (4, 5118178), (8, 2559089), (13, 1574824), (26, 787412), (52, 393706), (104, 196853)]