20756516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10037}}^1$

素因数の和:10099

約数の個数: 24

約数和(自身を含む): 40473216

約数和(自身を除く): 19716700

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 10037, 20074, 40148, 110407, 220814, 441628, 471739, 943478, 1886956, 5189129, 10378258, 20756516]

約数ペア:

[(1, 20756516), (2, 10378258), (4, 5189129), (11, 1886956), (22, 943478), (44, 471739), (47, 441628), (94, 220814), (188, 110407), (517, 40148), (1034, 20074), (2068, 10037)]