20806865300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16005281}}^1$

素因数の和:16005308

約数の個数: 36

約数和(自身を含む): 48624046716

約数和(自身を除く): 27817181416

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16005281, 32010562, 64021124, 80026405, 160052810, 208068653, 320105620, 400132025, 416137306, 800264050, 832274612, 1040343265, 1600528100, 2080686530, 4161373060, 5201716325, 10403432650, 20806865300]

約数ペア:

[(1, 20806865300), (2, 10403432650), (4, 5201716325), (5, 4161373060), (10, 2080686530), (13, 1600528100), (20, 1040343265), (25, 832274612), (26, 800264050), (50, 416137306), (52, 400132025), (65, 320105620), (100, 208068653), (130, 160052810), (260, 80026405), (325, 64021124), (650, 32010562), (1300, 16005281)]