20709134

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{853}}^1$

素因数の和:1115

約数の個数: 16

約数和(自身を含む): 31768800

約数和(自身を除く): 11059666

約数列:

[1, 2, 61, 122, 199, 398, 853, 1706, 12139, 24278, 52033, 104066, 169747, 339494, 10354567, 20709134]

約数ペア:

[(1, 20709134), (2, 10354567), (61, 339494), (122, 169747), (199, 104066), (398, 52033), (853, 24278), (1706, 12139)]