20114480

素因数分解:

$2^4\times 5^1\times {\mathrm{251431}}^1$

素因数の和:251444

約数の個数: 20

約数和(自身を含む): 46766352

約数和(自身を除く): 26651872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251431, 502862, 1005724, 1257155, 2011448, 2514310, 4022896, 5028620, 10057240, 20114480]

約数ペア:

[(1, 20114480), (2, 10057240), (4, 5028620), (5, 4022896), (8, 2514310), (10, 2011448), (16, 1257155), (20, 1005724), (40, 502862), (80, 251431)]