20213227964

素因数分解:

$2^2\times {\mathrm{173}}^1\times {\mathrm{6481}}^1\times {\mathrm{4507}}^1$

素因数の和:11165

約数の個数: 24

約数和(自身を含む): 35591002608

約数和(自身を除く): 15377774644

約数列:

[1, 2, 4, 173, 346, 692, 4507, 6481, 9014, 12962, 18028, 25924, 779711, 1121213, 1559422, 2242426, 3118844, 4484852, 29209867, 58419734, 116839468, 5053306991, 10106613982, 20213227964]

約数ペア:

[(1, 20213227964), (2, 10106613982), (4, 5053306991), (173, 116839468), (346, 58419734), (692, 29209867), (4507, 4484852), (6481, 3118844), (9014, 2242426), (12962, 1559422), (18028, 1121213), (25924, 779711)]