20189038

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{541}}^1$

素因数の和:987

約数の個数: 16

約数和(自身を含む): 31063104

約数和(自身を除く): 10874066

約数列:

[1, 2, 47, 94, 397, 541, 794, 1082, 18659, 25427, 37318, 50854, 214777, 429554, 10094519, 20189038]

約数ペア:

[(1, 20189038), (2, 10094519), (47, 429554), (94, 214777), (397, 50854), (541, 37318), (794, 25427), (1082, 18659)]