20004544

素因数分解:

$2^6\times 7^2\times {\mathrm{6379}}^1$

素因数の和:6405

約数の個数: 42

約数和(自身を含む): 46184820

約数和(自身を除く): 26180276

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6379, 12758, 25516, 44653, 51032, 89306, 102064, 178612, 204128, 312571, 357224, 408256, 625142, 714448, 1250284, 1428896, 2500568, 2857792, 5001136, 10002272, 20004544]

約数ペア:

[(1, 20004544), (2, 10002272), (4, 5001136), (7, 2857792), (8, 2500568), (14, 1428896), (16, 1250284), (28, 714448), (32, 625142), (49, 408256), (56, 357224), (64, 312571), (98, 204128), (112, 178612), (196, 102064), (224, 89306), (392, 51032), (448, 44653), (784, 25516), (1568, 12758), (3136, 6379)]