20438236

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56149}}^1$

素因数の和:56173

約数の個数: 24

約数和(自身を含む): 44021600

約数和(自身を除く): 23583364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56149, 112298, 224596, 393043, 729937, 786086, 1459874, 1572172, 2919748, 5109559, 10219118, 20438236]

約数ペア:

[(1, 20438236), (2, 10219118), (4, 5109559), (7, 2919748), (13, 1572172), (14, 1459874), (26, 786086), (28, 729937), (52, 393043), (91, 224596), (182, 112298), (364, 56149)]