20976452

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4139}}^1$

素因数の和:4331

約数の個数: 24

約数和(自身を含む): 42194880

約数和(自身を除く): 21218428

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 4139, 5068, 8278, 16556, 28973, 57946, 115892, 749159, 1498318, 2996636, 5244113, 10488226, 20976452]

約数ペア:

[(1, 20976452), (2, 10488226), (4, 5244113), (7, 2996636), (14, 1498318), (28, 749159), (181, 115892), (362, 57946), (724, 28973), (1267, 16556), (2534, 8278), (4139, 5068)]