20716016

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{7753}}^1$

素因数の和:7928

約数の個数: 20

約数和(自身を含む): 40382832

約数和(自身を除く): 19666816

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 7753, 15506, 31012, 62024, 124048, 1294751, 2589502, 5179004, 10358008, 20716016]

約数ペア:

[(1, 20716016), (2, 10358008), (4, 5179004), (8, 2589502), (16, 1294751), (167, 124048), (334, 62024), (668, 31012), (1336, 15506), (2672, 7753)]