20249936

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1168

約数の個数: 60

約数和(自身を含む): 47666592

約数和(自身を除く): 27416656

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 368, 392, 644, 784, 1123, 1127, 1288, 2246, 2254, 2576, 4492, 4508, 7861, 8984, 9016, 15722, 17968, 18032, 25829, 31444, 51658, 55027, 62888, 103316, 110054, 125776, 180803, 206632, 220108, 361606, 413264, 440216, 723212, 880432, 1265621, 1446424, 2531242, 2892848, 5062484, 10124968, 20249936]

約数ペア:

[(1, 20249936), (2, 10124968), (4, 5062484), (7, 2892848), (8, 2531242), (14, 1446424), (16, 1265621), (23, 880432), (28, 723212), (46, 440216), (49, 413264), (56, 361606), (92, 220108), (98, 206632), (112, 180803), (161, 125776), (184, 110054), (196, 103316), (322, 62888), (368, 55027), (392, 51658), (644, 31444), (784, 25829), (1123, 18032), (1127, 17968), (1288, 15722), (2246, 9016), (2254, 8984), (2576, 7861), (4492, 4508)]