20641946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{1321}}^1$

素因数の和:1937

約数の個数: 16

約数和(自身を含む): 33425448

約数和(自身を除く): 12783502

約数列:

[1, 2, 13, 26, 601, 1202, 1321, 2642, 7813, 15626, 17173, 34346, 793921, 1587842, 10320973, 20641946]

約数ペア:

[(1, 20641946), (2, 10320973), (13, 1587842), (26, 793921), (601, 34346), (1202, 17173), (1321, 15626), (2642, 7813)]