20910476

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8311}}^1$

素因数の和:8369

約数の個数: 24

約数和(自身を含む): 39797856

約数和(自身を除く): 18887380

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8311, 16622, 33244, 141287, 282574, 307507, 565148, 615014, 1230028, 5227619, 10455238, 20910476]

約数ペア:

[(1, 20910476), (2, 10455238), (4, 5227619), (17, 1230028), (34, 615014), (37, 565148), (68, 307507), (74, 282574), (148, 141287), (629, 33244), (1258, 16622), (2516, 8311)]