20387942

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2437}}^1$

素因数の和:2575

約数の個数: 16

約数和(自身を含む): 31596480

約数和(自身を除く): 11208538

約数列:

[1, 2, 47, 89, 94, 178, 2437, 4183, 4874, 8366, 114539, 216893, 229078, 433786, 10193971, 20387942]

約数ペア:

[(1, 20387942), (2, 10193971), (47, 433786), (89, 229078), (94, 216893), (178, 114539), (2437, 8366), (4183, 4874)]