20521186

素因数分解:

$2^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{1609}}^1$

素因数の和:2529

約数の個数: 16

約数和(自身を含む): 35239680

約数和(自身を除く): 14718494

約数列:

[1, 2, 7, 14, 911, 1609, 1822, 3218, 6377, 11263, 12754, 22526, 1465799, 2931598, 10260593, 20521186]

約数ペア:

[(1, 20521186), (2, 10260593), (7, 2931598), (14, 1465799), (911, 22526), (1609, 12754), (1822, 11263), (3218, 6377)]