20548304

素因数分解:

$2^4\times 7^1\times {\mathrm{271}}^1\times {\mathrm{677}}^1$

素因数の和:963

約数の個数: 40

約数和(自身を含む): 45735168

約数和(自身を除く): 25186864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 271, 542, 677, 1084, 1354, 1897, 2168, 2708, 3794, 4336, 4739, 5416, 7588, 9478, 10832, 15176, 18956, 30352, 37912, 75824, 183467, 366934, 733868, 1284269, 1467736, 2568538, 2935472, 5137076, 10274152, 20548304]

約数ペア:

[(1, 20548304), (2, 10274152), (4, 5137076), (7, 2935472), (8, 2568538), (14, 1467736), (16, 1284269), (28, 733868), (56, 366934), (112, 183467), (271, 75824), (542, 37912), (677, 30352), (1084, 18956), (1354, 15176), (1897, 10832), (2168, 9478), (2708, 7588), (3794, 5416), (4336, 4739)]