20010989

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 2487571

約数列:

[1, 17, 23, 61, 391, 839, 1037, 1403, 14263, 19297, 23851, 51179, 328049, 870043, 1177117, 20010989]

約数ペア:

[(1, 20010989), (17, 1177117), (23, 870043), (61, 328049), (391, 51179), (839, 23851), (1037, 19297), (1403, 14263)]