20418792

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5419}}^1$

素因数の和:5585

約数の個数: 32

約数和(自身を含む): 51381600

約数和(自身を除く): 30962808

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 5419, 10838, 16257, 21676, 32514, 43352, 65028, 130056, 850783, 1701566, 2552349, 3403132, 5104698, 6806264, 10209396, 20418792]

約数ペア:

[(1, 20418792), (2, 10209396), (3, 6806264), (4, 5104698), (6, 3403132), (8, 2552349), (12, 1701566), (24, 850783), (157, 130056), (314, 65028), (471, 43352), (628, 32514), (942, 21676), (1256, 16257), (1884, 10838), (3768, 5419)]