20019374935

素因数分解:

$5^1\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{405949}}^1$

素因数の和:407370

約数の個数: 16

約数和(自身を含む): 27474696000

約数和(自身を除く): 7455321065

約数列:

[1, 5, 7, 35, 1409, 7045, 9863, 49315, 405949, 2029745, 2841643, 14208215, 571982141, 2859910705, 4003874987, 20019374935]

約数ペア:

[(1, 20019374935), (5, 4003874987), (7, 2859910705), (35, 571982141), (1409, 14208215), (7045, 2841643), (9863, 2029745), (49315, 405949)]