20284418

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1231}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 18035710

約数列:

[1, 2, 7, 11, 14, 22, 77, 107, 154, 214, 749, 1177, 1231, 1498, 2354, 2462, 8239, 8617, 13541, 16478, 17234, 27082, 94787, 131717, 189574, 263434, 922019, 1448887, 1844038, 2897774, 10142209, 20284418]

約数ペア:

[(1, 20284418), (2, 10142209), (7, 2897774), (11, 1844038), (14, 1448887), (22, 922019), (77, 263434), (107, 189574), (154, 131717), (214, 94787), (749, 27082), (1177, 17234), (1231, 16478), (1498, 13541), (2354, 8617), (2462, 8239)]