20510994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25703}}^1$

素因数の和:25734

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 28840686

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 25703, 51406, 77109, 154218, 179921, 359842, 488357, 539763, 976714, 1079526, 1465071, 2930142, 3418499, 6836998, 10255497, 20510994]

約数ペア:

[(1, 20510994), (2, 10255497), (3, 6836998), (6, 3418499), (7, 2930142), (14, 1465071), (19, 1079526), (21, 976714), (38, 539763), (42, 488357), (57, 359842), (114, 179921), (133, 154218), (266, 77109), (399, 51406), (798, 25703)]