20174977809

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{973367}}^1$

素因数の和:973434

約数の個数: 36

約数和(自身を含む): 34620753024

約数和(自身を除く): 14445775215

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 6909, 20727, 973367, 2920101, 6813569, 8760303, 20440707, 45748249, 47694983, 61322121, 137244747, 143084949, 320237743, 411734241, 429254847, 960713229, 2241664201, 2882139687, 6724992603, 20174977809]

約数ペア:

[(1, 20174977809), (3, 6724992603), (7, 2882139687), (9, 2241664201), (21, 960713229), (47, 429254847), (49, 411734241), (63, 320237743), (141, 143084949), (147, 137244747), (329, 61322121), (423, 47694983), (441, 45748249), (987, 20440707), (2303, 8760303), (2961, 6813569), (6909, 2920101), (20727, 973367)]