20987230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190793}}^1$

素因数の和:190811

約数の個数: 16

約数和(自身を含む): 41211504

約数和(自身を除く): 20224274

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 190793, 381586, 953965, 1907930, 2098723, 4197446, 10493615, 20987230]

約数ペア:

[(1, 20987230), (2, 10493615), (5, 4197446), (10, 2098723), (11, 1907930), (22, 953965), (55, 381586), (110, 190793)]