20189848

素因数分解:

$2^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1039}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 43430400

約数和(自身を除く): 23240552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 347, 694, 1039, 1388, 2078, 2429, 2776, 4156, 4858, 7273, 8312, 9716, 14546, 19432, 29092, 58184, 360533, 721066, 1442132, 2523731, 2884264, 5047462, 10094924, 20189848]

約数ペア:

[(1, 20189848), (2, 10094924), (4, 5047462), (7, 2884264), (8, 2523731), (14, 1442132), (28, 721066), (56, 360533), (347, 58184), (694, 29092), (1039, 19432), (1388, 14546), (2078, 9716), (2429, 8312), (2776, 7273), (4156, 4858)]