20281405982

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{456809}}^1$

素因数の和:457171

約数の個数: 16

約数和(自身を含む): 30916900800

約数和(自身を除く): 10635494818

約数列:

[1, 2, 79, 158, 281, 562, 22199, 44398, 456809, 913618, 36087911, 72175822, 128363329, 256726658, 10140702991, 20281405982]

約数ペア:

[(1, 20281405982), (2, 10140702991), (79, 256726658), (158, 128363329), (281, 72175822), (562, 36087911), (22199, 913618), (44398, 456809)]