20570256

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20407}}^1$

素因数の和:20428

約数の個数: 60

約数和(自身を含む): 65795392

約数和(自身を除く): 45225136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20407, 40814, 61221, 81628, 122442, 142849, 163256, 183663, 244884, 285698, 326512, 367326, 428547, 489768, 571396, 734652, 857094, 979536, 1142792, 1285641, 1469304, 1714188, 2285584, 2571282, 2938608, 3428376, 5142564, 6856752, 10285128, 20570256]

約数ペア:

[(1, 20570256), (2, 10285128), (3, 6856752), (4, 5142564), (6, 3428376), (7, 2938608), (8, 2571282), (9, 2285584), (12, 1714188), (14, 1469304), (16, 1285641), (18, 1142792), (21, 979536), (24, 857094), (28, 734652), (36, 571396), (42, 489768), (48, 428547), (56, 367326), (63, 326512), (72, 285698), (84, 244884), (112, 183663), (126, 163256), (144, 142849), (168, 122442), (252, 81628), (336, 61221), (504, 40814), (1008, 20407)]