20731018

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19231}}^1$

素因数の和:19258

約数の個数: 24

約数和(自身を含む): 39464064

約数和(自身を除く): 18733046

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19231, 38462, 134617, 211541, 269234, 423082, 942319, 1480787, 1884638, 2961574, 10365509, 20731018]

約数ペア:

[(1, 20731018), (2, 10365509), (7, 2961574), (11, 1884638), (14, 1480787), (22, 942319), (49, 423082), (77, 269234), (98, 211541), (154, 134617), (539, 38462), (1078, 19231)]