20443930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12097}}^1$

素因数の和:12130

約数の個数: 24

約数和(自身を含む): 39850812

約数和(自身を除く): 19406882

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 12097, 24194, 60485, 120970, 157261, 314522, 786305, 1572610, 2044393, 4088786, 10221965, 20443930]

約数ペア:

[(1, 20443930), (2, 10221965), (5, 4088786), (10, 2044393), (13, 1572610), (26, 786305), (65, 314522), (130, 157261), (169, 120970), (338, 60485), (845, 24194), (1690, 12097)]