20796916

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43691}}^1$

素因数の和:43719

約数の個数: 24

約数和(自身を含む): 44041536

約数和(自身を除く): 23244620

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43691, 87382, 174764, 305837, 611674, 742747, 1223348, 1485494, 2970988, 5199229, 10398458, 20796916]

約数ペア:

[(1, 20796916), (2, 10398458), (4, 5199229), (7, 2970988), (14, 1485494), (17, 1223348), (28, 742747), (34, 611674), (68, 305837), (119, 174764), (238, 87382), (476, 43691)]