20161215472

素因数分解:

$2^4\times {\mathrm{7639}}^1\times {\mathrm{164953}}^1$

素因数の和:172600

約数の個数: 20

約数和(自身を含む): 39067705360

約数和(自身を除く): 18906489888

約数列:

[1, 2, 4, 8, 16, 7639, 15278, 30556, 61112, 122224, 164953, 329906, 659812, 1319624, 2639248, 1260075967, 2520151934, 5040303868, 10080607736, 20161215472]

約数ペア:

[(1, 20161215472), (2, 10080607736), (4, 5040303868), (8, 2520151934), (16, 1260075967), (7639, 2639248), (15278, 1319624), (30556, 659812), (61112, 329906), (122224, 164953)]