20696559

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4051}}^1$

素因数の和:4198

約数の個数: 16

約数和(自身を含む): 29952384

約数和(自身を除く): 9255825

約数列:

[1, 3, 13, 39, 131, 393, 1703, 4051, 5109, 12153, 52663, 157989, 530681, 1592043, 6898853, 20696559]

約数ペア:

[(1, 20696559), (3, 6898853), (13, 1592043), (39, 530681), (131, 157989), (393, 52663), (1703, 12153), (4051, 5109)]