20005955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{839}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 5395645

約数列:

[1, 5, 19, 95, 251, 839, 1255, 4195, 4769, 15941, 23845, 79705, 210589, 1052945, 4001191, 20005955]

約数ペア:

[(1, 20005955), (5, 4001191), (19, 1052945), (95, 210589), (251, 79705), (839, 23845), (1255, 15941), (4195, 4769)]