20969865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66571}}^1$

素因数の和:66589

約数の個数: 24

約数和(自身を含む): 41540928

約数和(自身を除く): 20571063

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66571, 199713, 332855, 465997, 599139, 998565, 1397991, 2329985, 2995695, 4193973, 6989955, 20969865]

約数ペア:

[(1, 20969865), (3, 6989955), (5, 4193973), (7, 2995695), (9, 2329985), (15, 1397991), (21, 998565), (35, 599139), (45, 465997), (63, 332855), (105, 199713), (315, 66571)]