20970144

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1867}}^1$

素因数の和:1899

約数の個数: 96

約数和(自身を含む): 65903040

約数和(自身を除く): 44932896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 208, 216, 234, 288, 312, 351, 416, 432, 468, 624, 702, 864, 936, 1248, 1404, 1867, 1872, 2808, 3734, 3744, 5601, 5616, 7468, 11202, 11232, 14936, 16803, 22404, 24271, 29872, 33606, 44808, 48542, 50409, 59744, 67212, 72813, 89616, 97084, 100818, 134424, 145626, 179232, 194168, 201636, 218439, 268848, 291252, 388336, 403272, 436878, 537696, 582504, 655317, 776672, 806544, 873756, 1165008, 1310634, 1613088, 1747512, 2330016, 2621268, 3495024, 5242536, 6990048, 10485072, 20970144]

約数ペア:

[(1, 20970144), (2, 10485072), (3, 6990048), (4, 5242536), (6, 3495024), (8, 2621268), (9, 2330016), (12, 1747512), (13, 1613088), (16, 1310634), (18, 1165008), (24, 873756), (26, 806544), (27, 776672), (32, 655317), (36, 582504), (39, 537696), (48, 436878), (52, 403272), (54, 388336), (72, 291252), (78, 268848), (96, 218439), (104, 201636), (108, 194168), (117, 179232), (144, 145626), (156, 134424), (208, 100818), (216, 97084), (234, 89616), (288, 72813), (312, 67212), (351, 59744), (416, 50409), (432, 48542), (468, 44808), (624, 33606), (702, 29872), (864, 24271), (936, 22404), (1248, 16803), (1404, 14936), (1867, 11232), (1872, 11202), (2808, 7468), (3734, 5616), (3744, 5601)]