20298764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3001}}^1$

素因数の和:3113

約数の個数: 24

約数和(自身を含む): 37825200

約数和(自身を除く): 17526436

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3001, 3382, 6002, 6764, 12004, 57019, 114038, 228076, 267089, 534178, 1068356, 5074691, 10149382, 20298764]

約数ペア:

[(1, 20298764), (2, 10149382), (4, 5074691), (19, 1068356), (38, 534178), (76, 267089), (89, 228076), (178, 114038), (356, 57019), (1691, 12004), (3001, 6764), (3382, 6002)]