20734636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2203}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 39310544

約数和(自身を除く): 18575908

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2203, 2353, 4406, 4706, 8812, 9412, 28639, 57278, 114556, 398743, 797486, 1594972, 5183659, 10367318, 20734636]

約数ペア:

[(1, 20734636), (2, 10367318), (4, 5183659), (13, 1594972), (26, 797486), (52, 398743), (181, 114556), (362, 57278), (724, 28639), (2203, 9412), (2353, 8812), (4406, 4706)]