20175680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9007}}^1$

素因数の和:9031

約数の個数: 56

約数和(自身を含む): 54912768

約数和(自身を除く): 34737088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9007, 18014, 36028, 45035, 63049, 72056, 90070, 126098, 144112, 180140, 252196, 288224, 315245, 360280, 504392, 576448, 630490, 720560, 1008784, 1260980, 1441120, 2017568, 2521960, 2882240, 4035136, 5043920, 10087840, 20175680]

約数ペア:

[(1, 20175680), (2, 10087840), (4, 5043920), (5, 4035136), (7, 2882240), (8, 2521960), (10, 2017568), (14, 1441120), (16, 1260980), (20, 1008784), (28, 720560), (32, 630490), (35, 576448), (40, 504392), (56, 360280), (64, 315245), (70, 288224), (80, 252196), (112, 180140), (140, 144112), (160, 126098), (224, 90070), (280, 72056), (320, 63049), (448, 45035), (560, 36028), (1120, 18014), (2240, 9007)]