20831874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5573}}^1$

素因数の和:5674

約数の個数: 32

約数和(自身を含む): 48159360

約数和(自身を除く): 27327486

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 5573, 11146, 16719, 33438, 39011, 78022, 117033, 234066, 495997, 991994, 1487991, 2975982, 3471979, 6943958, 10415937, 20831874]

約数ペア:

[(1, 20831874), (2, 10415937), (3, 6943958), (6, 3471979), (7, 2975982), (14, 1487991), (21, 991994), (42, 495997), (89, 234066), (178, 117033), (267, 78022), (534, 39011), (623, 33438), (1246, 16719), (1869, 11146), (3738, 5573)]