20888498

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{643}}^1$

素因数の和:1121

約数の個数: 16

約数和(自身を含む): 32303040

約数和(自身を除く): 11414542

約数列:

[1, 2, 37, 74, 439, 643, 878, 1286, 16243, 23791, 32486, 47582, 282277, 564554, 10444249, 20888498]

約数ペア:

[(1, 20888498), (2, 10444249), (37, 564554), (74, 282277), (439, 47582), (643, 32486), (878, 23791), (1286, 16243)]