20994487

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:366

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 1815113

約数列:

[1, 19, 71, 79, 197, 1349, 1501, 3743, 5609, 13987, 15563, 106571, 265753, 295697, 1104973, 20994487]

約数ペア:

[(1, 20994487), (19, 1104973), (71, 295697), (79, 265753), (197, 106571), (1349, 15563), (1501, 13987), (3743, 5609)]