20778820185

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{524519}}^1$

素因数の和:524685

約数の個数: 32

約数和(自身を含む): 35247744000

約数和(自身を除く): 14468923815

約数列:

[1, 3, 5, 15, 19, 57, 95, 139, 285, 417, 695, 2085, 2641, 7923, 13205, 39615, 524519, 1573557, 2622595, 7867785, 9965861, 29897583, 49829305, 72908141, 149487915, 218724423, 364540705, 1093622115, 1385254679, 4155764037, 6926273395, 20778820185]

約数ペア:

[(1, 20778820185), (3, 6926273395), (5, 4155764037), (15, 1385254679), (19, 1093622115), (57, 364540705), (95, 218724423), (139, 149487915), (285, 72908141), (417, 49829305), (695, 29897583), (2085, 9965861), (2641, 7867785), (7923, 2622595), (13205, 1573557), (39615, 524519)]