20265256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{547}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 41626080

約数和(自身を除く): 21360824

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 421, 547, 842, 1094, 1684, 2188, 3368, 4376, 4631, 6017, 9262, 12034, 18524, 24068, 37048, 48136, 230287, 460574, 921148, 1842296, 2533157, 5066314, 10132628, 20265256]

約数ペア:

[(1, 20265256), (2, 10132628), (4, 5066314), (8, 2533157), (11, 1842296), (22, 921148), (44, 460574), (88, 230287), (421, 48136), (547, 37048), (842, 24068), (1094, 18524), (1684, 12034), (2188, 9262), (3368, 6017), (4376, 4631)]