20740447

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3863}}^1$

素因数の和:3942

約数の個数: 16

約数和(自身を含む): 25966080

約数和(自身を除く): 5225633

約数列:

[1, 7, 13, 59, 91, 413, 767, 3863, 5369, 27041, 50219, 227917, 351533, 1595419, 2962921, 20740447]

約数ペア:

[(1, 20740447), (7, 2962921), (13, 1595419), (59, 351533), (91, 227917), (413, 50219), (767, 27041), (3863, 5369)]