20808382

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 37889280

約数和(自身を除く): 17080898

約数列:

[1, 2, 7, 14, 19, 38, 133, 137, 266, 274, 571, 959, 1142, 1918, 2603, 3997, 5206, 7994, 10849, 18221, 21698, 36442, 75943, 78227, 151886, 156454, 547589, 1095178, 1486313, 2972626, 10404191, 20808382]

約数ペア:

[(1, 20808382), (2, 10404191), (7, 2972626), (14, 1486313), (19, 1095178), (38, 547589), (133, 156454), (137, 151886), (266, 78227), (274, 75943), (571, 36442), (959, 21698), (1142, 18221), (1918, 10849), (2603, 7994), (3997, 5206)]