20398001

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2886799

約数列:

[1, 13, 19, 247, 269, 307, 3497, 3991, 5111, 5833, 66443, 75829, 82583, 1073579, 1569077, 20398001]

約数ペア:

[(1, 20398001), (13, 1569077), (19, 1073579), (247, 82583), (269, 75829), (307, 66443), (3497, 5833), (3991, 5111)]