20195368130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2591}}^1\times {\mathrm{15907}}^1$

素因数の和:18519

約数の個数: 48

約数和(自身を含む): 42305607936

約数和(自身を除く): 22110239806

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2591, 5182, 12955, 15907, 18137, 25910, 31814, 36274, 79535, 90685, 111349, 126959, 159070, 181370, 222698, 253918, 556745, 634795, 779443, 1113490, 1269590, 1558886, 3897215, 7794430, 41215037, 82430074, 206075185, 288505259, 412150370, 577010518, 1442526295, 2019536813, 2885052590, 4039073626, 10097684065, 20195368130]

約数ペア:

[(1, 20195368130), (2, 10097684065), (5, 4039073626), (7, 2885052590), (10, 2019536813), (14, 1442526295), (35, 577010518), (49, 412150370), (70, 288505259), (98, 206075185), (245, 82430074), (490, 41215037), (2591, 7794430), (5182, 3897215), (12955, 1558886), (15907, 1269590), (18137, 1113490), (25910, 779443), (31814, 634795), (36274, 556745), (79535, 253918), (90685, 222698), (111349, 181370), (126959, 159070)]