20705664

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7703}}^1$

素因数の和:7727

約数の個数: 64

約数和(自身を含む): 62864640

約数和(自身を除く): 42158976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7703, 15406, 23109, 30812, 46218, 53921, 61624, 92436, 107842, 123248, 161763, 184872, 215684, 246496, 323526, 369744, 431368, 492992, 647052, 739488, 862736, 985984, 1294104, 1478976, 1725472, 2588208, 2957952, 3450944, 5176416, 6901888, 10352832, 20705664]

約数ペア:

[(1, 20705664), (2, 10352832), (3, 6901888), (4, 5176416), (6, 3450944), (7, 2957952), (8, 2588208), (12, 1725472), (14, 1478976), (16, 1294104), (21, 985984), (24, 862736), (28, 739488), (32, 647052), (42, 492992), (48, 431368), (56, 369744), (64, 323526), (84, 246496), (96, 215684), (112, 184872), (128, 161763), (168, 123248), (192, 107842), (224, 92436), (336, 61624), (384, 53921), (448, 46218), (672, 30812), (896, 23109), (1344, 15406), (2688, 7703)]