22225904

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3571}}^1$

素因数の和:3968

約数の個数: 20

約数和(自身を含む): 43185480

約数和(自身を除く): 20959576

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3571, 6224, 7142, 14284, 28568, 57136, 1389119, 2778238, 5556476, 11112952, 22225904]

約数ペア:

[(1, 22225904), (2, 11112952), (4, 5556476), (8, 2778238), (16, 1389119), (389, 57136), (778, 28568), (1556, 14284), (3112, 7142), (3571, 6224)]