20262928

素因数分解:

$2^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{797}}^1$

素因数の和:1039

約数の個数: 40

約数和(自身を含む): 45122112

約数和(自身を除く): 24859184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227, 454, 797, 908, 1589, 1594, 1816, 3178, 3188, 3632, 5579, 6356, 6376, 11158, 12712, 12752, 22316, 25424, 44632, 89264, 180919, 361838, 723676, 1266433, 1447352, 2532866, 2894704, 5065732, 10131464, 20262928]

約数ペア:

[(1, 20262928), (2, 10131464), (4, 5065732), (7, 2894704), (8, 2532866), (14, 1447352), (16, 1266433), (28, 723676), (56, 361838), (112, 180919), (227, 89264), (454, 44632), (797, 25424), (908, 22316), (1589, 12752), (1594, 12712), (1816, 11158), (3178, 6376), (3188, 6356), (3632, 5579)]