20182821

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 27499584

約数和(自身を除く): 7316763

約数列:

[1, 3, 73, 157, 219, 471, 587, 1761, 11461, 34383, 42851, 92159, 128553, 276477, 6727607, 20182821]

約数ペア:

[(1, 20182821), (3, 6727607), (73, 276477), (157, 128553), (219, 92159), (471, 42851), (587, 34383), (1761, 11461)]