20089970

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22573}}^1$

素因数の和:22669

約数の個数: 16

約数和(自身を含む): 36569880

約数和(自身を除く): 16479910

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22573, 45146, 112865, 225730, 2008997, 4017994, 10044985, 20089970]

約数ペア:

[(1, 20089970), (2, 10044985), (5, 4017994), (10, 2008997), (89, 225730), (178, 112865), (445, 45146), (890, 22573)]