20996957538

素因数分解:

$2^1\times 3^4\times {\mathrm{129610849}}^1$

素因数の和:129610863

約数の個数: 20

約数和(自身を含む): 47048738550

約数和(自身を除く): 26051781012

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129610849, 259221698, 388832547, 777665094, 1166497641, 2332995282, 3499492923, 6998985846, 10498478769, 20996957538]

約数ペア:

[(1, 20996957538), (2, 10498478769), (3, 6998985846), (6, 3499492923), (9, 2332995282), (18, 1166497641), (27, 777665094), (54, 388832547), (81, 259221698), (162, 129610849)]