20862814

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 37656576

約数和(自身を除く): 16793762

約数列:

[1, 2, 7, 14, 31, 53, 62, 106, 217, 371, 434, 742, 907, 1643, 1814, 3286, 6349, 11501, 12698, 23002, 28117, 48071, 56234, 96142, 196819, 336497, 393638, 672994, 1490201, 2980402, 10431407, 20862814]

約数ペア:

[(1, 20862814), (2, 10431407), (7, 2980402), (14, 1490201), (31, 672994), (53, 393638), (62, 336497), (106, 196819), (217, 96142), (371, 56234), (434, 48071), (742, 28117), (907, 23002), (1643, 12698), (1814, 11501), (3286, 6349)]