20894608

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{947}}^1$

素因数の和:1159

約数の個数: 40

約数和(自身を含む): 46550592

約数和(自身を除く): 25655984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 947, 1379, 1576, 1894, 2758, 3152, 3788, 5516, 6629, 7576, 11032, 13258, 15152, 22064, 26516, 53032, 106064, 186559, 373118, 746236, 1305913, 1492472, 2611826, 2984944, 5223652, 10447304, 20894608]

約数ペア:

[(1, 20894608), (2, 10447304), (4, 5223652), (7, 2984944), (8, 2611826), (14, 1492472), (16, 1305913), (28, 746236), (56, 373118), (112, 186559), (197, 106064), (394, 53032), (788, 26516), (947, 22064), (1379, 15152), (1576, 13258), (1894, 11032), (2758, 7576), (3152, 6629), (3788, 5516)]