20567635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 8048045

約数列:

[1, 5, 11, 23, 55, 71, 115, 229, 253, 355, 781, 1145, 1265, 1633, 2519, 3905, 5267, 8165, 12595, 16259, 17963, 26335, 57937, 81295, 89815, 178849, 289685, 373957, 894245, 1869785, 4113527, 20567635]

約数ペア:

[(1, 20567635), (5, 4113527), (11, 1869785), (23, 894245), (55, 373957), (71, 289685), (115, 178849), (229, 89815), (253, 81295), (355, 57937), (781, 26335), (1145, 17963), (1265, 16259), (1633, 12595), (2519, 8165), (3905, 5267)]