20145616

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20641}}^1$

素因数の和:20710

約数の個数: 20

約数和(自身を含む): 39673924

約数和(自身を除く): 19528308

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20641, 41282, 82564, 165128, 330256, 1259101, 2518202, 5036404, 10072808, 20145616]

約数ペア:

[(1, 20145616), (2, 10072808), (4, 5036404), (8, 2518202), (16, 1259101), (61, 330256), (122, 165128), (244, 82564), (488, 41282), (976, 20641)]