20455064

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 25509736

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 59, 82, 118, 151, 164, 236, 287, 302, 328, 413, 472, 574, 604, 826, 1057, 1148, 1208, 1652, 2114, 2296, 2419, 3304, 4228, 4838, 6191, 8456, 8909, 9676, 12382, 16933, 17818, 19352, 24764, 33866, 35636, 43337, 49528, 62363, 67732, 71272, 86674, 124726, 135464, 173348, 249452, 346696, 365269, 498904, 730538, 1461076, 2556883, 2922152, 5113766, 10227532, 20455064]

約数ペア:

[(1, 20455064), (2, 10227532), (4, 5113766), (7, 2922152), (8, 2556883), (14, 1461076), (28, 730538), (41, 498904), (56, 365269), (59, 346696), (82, 249452), (118, 173348), (151, 135464), (164, 124726), (236, 86674), (287, 71272), (302, 67732), (328, 62363), (413, 49528), (472, 43337), (574, 35636), (604, 33866), (826, 24764), (1057, 19352), (1148, 17818), (1208, 16933), (1652, 12382), (2114, 9676), (2296, 8909), (2419, 8456), (3304, 6191), (4228, 4838)]