20004784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73547}}^1$

素因数の和:73572

約数の個数: 20

約数和(自身を含む): 41039784

約数和(自身を除く): 21035000

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73547, 147094, 294188, 588376, 1176752, 1250299, 2500598, 5001196, 10002392, 20004784]

約数ペア:

[(1, 20004784), (2, 10002392), (4, 5001196), (8, 2500598), (16, 1250299), (17, 1176752), (34, 588376), (68, 294188), (136, 147094), (272, 73547)]