20809211576

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{101287}}^1$

素因数の和:101775

約数の個数: 32

約数和(自身を含む): 39751488480

約数和(自身を除く): 18942276904

約数列:

[1, 2, 4, 8, 61, 122, 244, 421, 488, 842, 1684, 3368, 25681, 51362, 101287, 102724, 202574, 205448, 405148, 810296, 6178507, 12357014, 24714028, 42641827, 49428056, 85283654, 170567308, 341134616, 2601151447, 5202302894, 10404605788, 20809211576]

約数ペア:

[(1, 20809211576), (2, 10404605788), (4, 5202302894), (8, 2601151447), (61, 341134616), (122, 170567308), (244, 85283654), (421, 49428056), (488, 42641827), (842, 24714028), (1684, 12357014), (3368, 6178507), (25681, 810296), (51362, 405148), (101287, 205448), (102724, 202574)]