20164868648

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{809}}^1\times {\mathrm{10781}}^1$

素因数の和:11630

約数の個数: 48

約数和(自身を含む): 40217399100

約数和(自身を除く): 20052530452

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 809, 1156, 1618, 2312, 3236, 6472, 10781, 13753, 21562, 27506, 43124, 55012, 86248, 110024, 183277, 233801, 366554, 467602, 733108, 935204, 1466216, 1870408, 3115709, 6231418, 8721829, 12462836, 17443658, 24925672, 34887316, 69774632, 148271093, 296542186, 593084372, 1186168744, 2520608581, 5041217162, 10082434324, 20164868648]

約数ペア:

[(1, 20164868648), (2, 10082434324), (4, 5041217162), (8, 2520608581), (17, 1186168744), (34, 593084372), (68, 296542186), (136, 148271093), (289, 69774632), (578, 34887316), (809, 24925672), (1156, 17443658), (1618, 12462836), (2312, 8721829), (3236, 6231418), (6472, 3115709), (10781, 1870408), (13753, 1466216), (21562, 935204), (27506, 733108), (43124, 467602), (55012, 366554), (86248, 233801), (110024, 183277)]