20871924

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{19543}}^1$

素因数の和:19639

約数の個数: 24

約数和(自身を含む): 49250880

約数和(自身を除く): 28378956

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 19543, 39086, 58629, 78172, 117258, 234516, 1739327, 3478654, 5217981, 6957308, 10435962, 20871924]

約数ペア:

[(1, 20871924), (2, 10435962), (3, 6957308), (4, 5217981), (6, 3478654), (12, 1739327), (89, 234516), (178, 117258), (267, 78172), (356, 58629), (534, 39086), (1068, 19543)]