20658624

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:850

約数の個数: 112

約数和(自身を含む): 65836800

約数和(自身を除く): 45178176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 133, 152, 168, 192, 224, 228, 266, 304, 336, 399, 448, 456, 532, 608, 672, 798, 809, 912, 1064, 1216, 1344, 1596, 1618, 1824, 2128, 2427, 3192, 3236, 3648, 4256, 4854, 5663, 6384, 6472, 8512, 9708, 11326, 12768, 12944, 15371, 16989, 19416, 22652, 25536, 25888, 30742, 33978, 38832, 45304, 46113, 51776, 61484, 67956, 77664, 90608, 92226, 107597, 122968, 135912, 155328, 181216, 184452, 215194, 245936, 271824, 322791, 362432, 368904, 430388, 491872, 543648, 645582, 737808, 860776, 983744, 1087296, 1291164, 1475616, 1721552, 2582328, 2951232, 3443104, 5164656, 6886208, 10329312, 20658624]

約数ペア:

[(1, 20658624), (2, 10329312), (3, 6886208), (4, 5164656), (6, 3443104), (7, 2951232), (8, 2582328), (12, 1721552), (14, 1475616), (16, 1291164), (19, 1087296), (21, 983744), (24, 860776), (28, 737808), (32, 645582), (38, 543648), (42, 491872), (48, 430388), (56, 368904), (57, 362432), (64, 322791), (76, 271824), (84, 245936), (96, 215194), (112, 184452), (114, 181216), (133, 155328), (152, 135912), (168, 122968), (192, 107597), (224, 92226), (228, 90608), (266, 77664), (304, 67956), (336, 61484), (399, 51776), (448, 46113), (456, 45304), (532, 38832), (608, 33978), (672, 30742), (798, 25888), (809, 25536), (912, 22652), (1064, 19416), (1216, 16989), (1344, 15371), (1596, 12944), (1618, 12768), (1824, 11326), (2128, 9708), (2427, 8512), (3192, 6472), (3236, 6384), (3648, 5663), (4256, 4854)]