20163872

素因数分解:

$2^5\times {\mathrm{149}}^1\times {\mathrm{4229}}^1$

素因数の和:4388

約数の個数: 24

約数和(自身を含む): 39973500

約数和(自身を除く): 19809628

約数列:

[1, 2, 4, 8, 16, 32, 149, 298, 596, 1192, 2384, 4229, 4768, 8458, 16916, 33832, 67664, 135328, 630121, 1260242, 2520484, 5040968, 10081936, 20163872]

約数ペア:

[(1, 20163872), (2, 10081936), (4, 5040968), (8, 2520484), (16, 1260242), (32, 630121), (149, 135328), (298, 67664), (596, 33832), (1192, 16916), (2384, 8458), (4229, 4768)]