20815788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{35401}}^1$

素因数の和:35422

約数の個数: 36

約数和(自身を含む): 56501592

約数和(自身を除く): 35685804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 35401, 70802, 106203, 141604, 212406, 247807, 424812, 495614, 743421, 991228, 1486842, 1734649, 2973684, 3469298, 5203947, 6938596, 10407894, 20815788]

約数ペア:

[(1, 20815788), (2, 10407894), (3, 6938596), (4, 5203947), (6, 3469298), (7, 2973684), (12, 1734649), (14, 1486842), (21, 991228), (28, 743421), (42, 495614), (49, 424812), (84, 247807), (98, 212406), (147, 141604), (196, 106203), (294, 70802), (588, 35401)]