20953404

素因数分解:

$2^2\times 3^5\times {\mathrm{21557}}^1$

素因数の和:21576

約数の個数: 36

約数和(自身を含む): 54929784

約数和(自身を除く): 33976380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21557, 43114, 64671, 86228, 129342, 194013, 258684, 388026, 582039, 776052, 1164078, 1746117, 2328156, 3492234, 5238351, 6984468, 10476702, 20953404]

約数ペア:

[(1, 20953404), (2, 10476702), (3, 6984468), (4, 5238351), (6, 3492234), (9, 2328156), (12, 1746117), (18, 1164078), (27, 776052), (36, 582039), (54, 388026), (81, 258684), (108, 194013), (162, 129342), (243, 86228), (324, 64671), (486, 43114), (972, 21557)]