20385064

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1163}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 43859520

約数和(自身を除く): 23474456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1163, 1252, 2191, 2326, 2504, 4382, 4652, 8141, 8764, 9304, 16282, 17528, 32564, 65128, 364019, 728038, 1456076, 2548133, 2912152, 5096266, 10192532, 20385064]

約数ペア:

[(1, 20385064), (2, 10192532), (4, 5096266), (7, 2912152), (8, 2548133), (14, 1456076), (28, 728038), (56, 364019), (313, 65128), (626, 32564), (1163, 17528), (1252, 16282), (2191, 9304), (2326, 8764), (2504, 8141), (4382, 4652)]