20740252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5953}}^1$

素因数の和:6037

約数の個数: 24

約数和(自身を含む): 39677456

約数和(自身を除く): 18937204

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5953, 11906, 23812, 77389, 154778, 309556, 398851, 797702, 1595404, 5185063, 10370126, 20740252]

約数ペア:

[(1, 20740252), (2, 10370126), (4, 5185063), (13, 1595404), (26, 797702), (52, 398851), (67, 309556), (134, 154778), (268, 77389), (871, 23812), (1742, 11906), (3484, 5953)]