20854782

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89123}}^1$

素因数の和:89144

約数の個数: 24

約数和(自身を含む): 48661704

約数和(自身を除く): 27806922

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89123, 178246, 267369, 534738, 802107, 1158599, 1604214, 2317198, 3475797, 6951594, 10427391, 20854782]

約数ペア:

[(1, 20854782), (2, 10427391), (3, 6951594), (6, 3475797), (9, 2317198), (13, 1604214), (18, 1158599), (26, 802107), (39, 534738), (78, 267369), (117, 178246), (234, 89123)]