20944112

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4561}}^1$

素因数の和:4617

約数の個数: 40

約数和(自身を含む): 47517792

約数和(自身を除く): 26573680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4561, 4592, 9122, 18244, 31927, 36488, 63854, 72976, 127708, 187001, 255416, 374002, 510832, 748004, 1309007, 1496008, 2618014, 2992016, 5236028, 10472056, 20944112]

約数ペア:

[(1, 20944112), (2, 10472056), (4, 5236028), (7, 2992016), (8, 2618014), (14, 1496008), (16, 1309007), (28, 748004), (41, 510832), (56, 374002), (82, 255416), (112, 187001), (164, 127708), (287, 72976), (328, 63854), (574, 36488), (656, 31927), (1148, 18244), (2296, 9122), (4561, 4592)]