20677160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73847}}^1$

素因数の和:73865

約数の個数: 32

約数和(自身を含む): 53170560

約数和(自身を除く): 32493400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73847, 147694, 295388, 369235, 516929, 590776, 738470, 1033858, 1476940, 2067716, 2584645, 2953880, 4135432, 5169290, 10338580, 20677160]

約数ペア:

[(1, 20677160), (2, 10338580), (4, 5169290), (5, 4135432), (7, 2953880), (8, 2584645), (10, 2067716), (14, 1476940), (20, 1033858), (28, 738470), (35, 590776), (40, 516929), (56, 369235), (70, 295388), (140, 147694), (280, 73847)]