20856552

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 57765120

約数和(自身を除く): 36908568

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 97, 102, 124, 136, 186, 194, 204, 248, 289, 291, 372, 388, 408, 527, 578, 582, 744, 776, 867, 1054, 1156, 1164, 1581, 1649, 1734, 2108, 2312, 2328, 3007, 3162, 3298, 3468, 4216, 4947, 6014, 6324, 6596, 6936, 8959, 9021, 9894, 12028, 12648, 13192, 17918, 18042, 19788, 24056, 26877, 28033, 35836, 36084, 39576, 51119, 53754, 56066, 71672, 72168, 84099, 102238, 107508, 112132, 153357, 168198, 204476, 215016, 224264, 306714, 336396, 408952, 613428, 672792, 869023, 1226856, 1738046, 2607069, 3476092, 5214138, 6952184, 10428276, 20856552]

約数ペア:

[(1, 20856552), (2, 10428276), (3, 6952184), (4, 5214138), (6, 3476092), (8, 2607069), (12, 1738046), (17, 1226856), (24, 869023), (31, 672792), (34, 613428), (51, 408952), (62, 336396), (68, 306714), (93, 224264), (97, 215016), (102, 204476), (124, 168198), (136, 153357), (186, 112132), (194, 107508), (204, 102238), (248, 84099), (289, 72168), (291, 71672), (372, 56066), (388, 53754), (408, 51119), (527, 39576), (578, 36084), (582, 35836), (744, 28033), (776, 26877), (867, 24056), (1054, 19788), (1156, 18042), (1164, 17918), (1581, 13192), (1649, 12648), (1734, 12028), (2108, 9894), (2312, 9021), (2328, 8959), (3007, 6936), (3162, 6596), (3298, 6324), (3468, 6014), (4216, 4947)]