20475376

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41281}}^1$

素因数の和:41320

約数の個数: 20

約数和(自身を含む): 40951744

約数和(自身を除く): 20476368

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41281, 82562, 165124, 330248, 660496, 1279711, 2559422, 5118844, 10237688, 20475376]

約数ペア:

[(1, 20475376), (2, 10237688), (4, 5118844), (8, 2559422), (16, 1279711), (31, 660496), (62, 330248), (124, 165124), (248, 82562), (496, 41281)]