20154077984

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{2153}}^1\times {\mathrm{6803}}^1$

素因数の和:9009

約数の個数: 48

約数和(自身を含む): 40625921952

約数和(自身を除く): 20471843968

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 2153, 4306, 6803, 8612, 13606, 17224, 27212, 34448, 54424, 68896, 92579, 108848, 185158, 217696, 292529, 370316, 585058, 740632, 1170116, 1481264, 2340232, 2962528, 4680464, 9360928, 14646859, 29293718, 58587436, 117174872, 234349744, 468699488, 629814937, 1259629874, 2519259748, 5038519496, 10077038992, 20154077984]

約数ペア:

[(1, 20154077984), (2, 10077038992), (4, 5038519496), (8, 2519259748), (16, 1259629874), (32, 629814937), (43, 468699488), (86, 234349744), (172, 117174872), (344, 58587436), (688, 29293718), (1376, 14646859), (2153, 9360928), (4306, 4680464), (6803, 2962528), (8612, 2340232), (13606, 1481264), (17224, 1170116), (27212, 740632), (34448, 585058), (54424, 370316), (68896, 292529), (92579, 217696), (108848, 185158)]