20653070

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3617}}^1$

素因数の和:4195

約数の個数: 16

約数和(自身を含む): 37250928

約数和(自身を除く): 16597858

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 3617, 5710, 7234, 18085, 36170, 2065307, 4130614, 10326535, 20653070]

約数ペア:

[(1, 20653070), (2, 10326535), (5, 4130614), (10, 2065307), (571, 36170), (1142, 18085), (2855, 7234), (3617, 5710)]