20538684

素因数分解:

$2^2\times 3^4\times {\mathrm{63391}}^1$

素因数の和:63407

約数の個数: 30

約数和(自身を含む): 53693024

約数和(自身を除く): 33154340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 63391, 126782, 190173, 253564, 380346, 570519, 760692, 1141038, 1711557, 2282076, 3423114, 5134671, 6846228, 10269342, 20538684]

約数ペア:

[(1, 20538684), (2, 10269342), (3, 6846228), (4, 5134671), (6, 3423114), (9, 2282076), (12, 1711557), (18, 1141038), (27, 760692), (36, 570519), (54, 380346), (81, 253564), (108, 190173), (162, 126782), (324, 63391)]