20815095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1447}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 38366208

約数和(自身を除く): 17551113

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 411, 685, 959, 1447, 2055, 2877, 4341, 4795, 7235, 10129, 14385, 21705, 30387, 50645, 151935, 198239, 594717, 991195, 1387673, 2973585, 4163019, 6938365, 20815095]

約数ペア:

[(1, 20815095), (3, 6938365), (5, 4163019), (7, 2973585), (15, 1387673), (21, 991195), (35, 594717), (105, 198239), (137, 151935), (411, 50645), (685, 30387), (959, 21705), (1447, 14385), (2055, 10129), (2877, 7235), (4341, 4795)]