20199779405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{865643}}^1$

素因数の和:866020

約数の個数: 16

約数和(自身を含む): 26177074560

約数和(自身を除く): 5977295155

約数列:

[1, 5, 13, 65, 359, 1795, 4667, 23335, 865643, 4328215, 11253359, 56266795, 310765837, 1553829185, 4039955881, 20199779405]

約数ペア:

[(1, 20199779405), (5, 4039955881), (13, 1553829185), (65, 310765837), (359, 56266795), (1795, 11253359), (4667, 4328215), (23335, 865643)]