20711538

素因数分解:

$2^1\times 3^4\times {\mathrm{127849}}^1$

素因数の和:127863

約数の個数: 20

約数和(自身を含む): 46409550

約数和(自身を除く): 25698012

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 127849, 255698, 383547, 767094, 1150641, 2301282, 3451923, 6903846, 10355769, 20711538]

約数ペア:

[(1, 20711538), (2, 10355769), (3, 6903846), (6, 3451923), (9, 2301282), (18, 1150641), (27, 767094), (54, 383547), (81, 255698), (162, 127849)]