20509743254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{353263}}^1$

素因数の和:353325

約数の個数: 64

約数和(自身を含む): 42730813440

約数和(自身を除く): 22221070186

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 29, 58, 77, 91, 143, 154, 182, 203, 286, 319, 377, 406, 638, 754, 1001, 2002, 2233, 2639, 4147, 4466, 5278, 8294, 29029, 58058, 353263, 706526, 2472841, 3885893, 4592419, 4945682, 7771786, 9184838, 10244627, 20489254, 27201251, 32146933, 50516609, 54402502, 64293866, 71712389, 101033218, 112690897, 133180151, 143424778, 225381794, 266360302, 353616263, 707232526, 788836279, 932261057, 1464981661, 1577672558, 1864522114, 2929963322, 10254871627, 20509743254]

約数ペア:

[(1, 20509743254), (2, 10254871627), (7, 2929963322), (11, 1864522114), (13, 1577672558), (14, 1464981661), (22, 932261057), (26, 788836279), (29, 707232526), (58, 353616263), (77, 266360302), (91, 225381794), (143, 143424778), (154, 133180151), (182, 112690897), (203, 101033218), (286, 71712389), (319, 64293866), (377, 54402502), (406, 50516609), (638, 32146933), (754, 27201251), (1001, 20489254), (2002, 10244627), (2233, 9184838), (2639, 7771786), (4147, 4945682), (4466, 4592419), (5278, 3885893), (8294, 2472841), (29029, 706526), (58058, 353263)]