20735680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9257}}^1$

素因数の和:9281

約数の個数: 56

約数和(自身を含む): 56436768

約数和(自身を除く): 35701088

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, 9257, 18514, 37028, 46285, 64799, 74056, 92570, 129598, 148112, 185140, 259196, 296224, 323995, 370280, 518392, 592448, 647990, 740560, 1036784, 1295980, 1481120, 2073568, 2591960, 2962240, 4147136, 5183920, 10367840, 20735680]

約数ペア:

[(1, 20735680), (2, 10367840), (4, 5183920), (5, 4147136), (7, 2962240), (8, 2591960), (10, 2073568), (14, 1481120), (16, 1295980), (20, 1036784), (28, 740560), (32, 647990), (35, 592448), (40, 518392), (56, 370280), (64, 323995), (70, 296224), (80, 259196), (112, 185140), (140, 148112), (160, 129598), (224, 92570), (280, 74056), (320, 64799), (448, 46285), (560, 37028), (1120, 18514), (2240, 9257)]