20705468

素因数分解:

$2^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2749}}^1$

素因数の和:3029

約数の個数: 24

約数和(自身を含む): 41580000

約数和(自身を除く): 20874532

約数列:

[1, 2, 4, 7, 14, 28, 269, 538, 1076, 1883, 2749, 3766, 5498, 7532, 10996, 19243, 38486, 76972, 739481, 1478962, 2957924, 5176367, 10352734, 20705468]

約数ペア:

[(1, 20705468), (2, 10352734), (4, 5176367), (7, 2957924), (14, 1478962), (28, 739481), (269, 76972), (538, 38486), (1076, 19243), (1883, 10996), (2749, 7532), (3766, 5498)]