20512576

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:268

約数の個数: 84

約数和(自身を含む): 49109376

約数和(自身を除く): 28596800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 196, 211, 217, 224, 248, 392, 422, 434, 448, 496, 784, 844, 868, 992, 1477, 1519, 1568, 1688, 1736, 1984, 2954, 3038, 3136, 3376, 3472, 5908, 6076, 6541, 6752, 6944, 10339, 11816, 12152, 13082, 13504, 13888, 20678, 23632, 24304, 26164, 41356, 45787, 47264, 48608, 52328, 82712, 91574, 94528, 97216, 104656, 165424, 183148, 209312, 320509, 330848, 366296, 418624, 641018, 661696, 732592, 1282036, 1465184, 2564072, 2930368, 5128144, 10256288, 20512576]

約数ペア:

[(1, 20512576), (2, 10256288), (4, 5128144), (7, 2930368), (8, 2564072), (14, 1465184), (16, 1282036), (28, 732592), (31, 661696), (32, 641018), (49, 418624), (56, 366296), (62, 330848), (64, 320509), (98, 209312), (112, 183148), (124, 165424), (196, 104656), (211, 97216), (217, 94528), (224, 91574), (248, 82712), (392, 52328), (422, 48608), (434, 47264), (448, 45787), (496, 41356), (784, 26164), (844, 24304), (868, 23632), (992, 20678), (1477, 13888), (1519, 13504), (1568, 13082), (1688, 12152), (1736, 11816), (1984, 10339), (2954, 6944), (3038, 6752), (3136, 6541), (3376, 6076), (3472, 5908)]