20297966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2417}}^1$

素因数の和:2468

約数の個数: 32

約数和(自身を含む): 36560160

約数和(自身を除く): 16262194

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2417, 4199, 4834, 8398, 31421, 41089, 45923, 62842, 82178, 91846, 534157, 596999, 780691, 1068314, 1193998, 1561382, 10148983, 20297966]

約数ペア:

[(1, 20297966), (2, 10148983), (13, 1561382), (17, 1193998), (19, 1068314), (26, 780691), (34, 596999), (38, 534157), (221, 91846), (247, 82178), (323, 62842), (442, 45923), (494, 41089), (646, 31421), (2417, 8398), (4199, 4834)]