20298230

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22807}}^1$

素因数の和:22903

約数の個数: 16

約数和(自身を含む): 36948960

約数和(自身を除く): 16650730

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22807, 45614, 114035, 228070, 2029823, 4059646, 10149115, 20298230]

約数ペア:

[(1, 20298230), (2, 10149115), (5, 4059646), (10, 2029823), (89, 228070), (178, 114035), (445, 45614), (890, 22807)]